Home / 85,294.13-127,941.19-29,890.13

Finding the Fourth Proportional to 85,294.13, 127,941.19 and 29,890.13

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Solution

The fourth proportional to 85,294.13, 127,941.19 and 29,890.13 is: 44,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,294.13 : 127,941.19 = 29,890.13 : x
  2. Step 2: Convert to fraction form
    85,294.13/127,941.19 = 29,890.13/x
  3. Step 3: Cross multiply
    85,294.13x = 127,941.19 × 29,890.13
  4. Step 4: Simplify right side
    85,294.13x = 3,824,178,087.02
  5. Step 5: Solve for x
    x = 3,824,178,087.02/85,294.13
  6. Step 6: Final answer
    x = 44,835.19

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.