Home / 92,768.27-127,954.21-85,136.19

Finding the Fourth Proportional to 92,768.27, 127,954.21 and 85,136.19

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Solution

The fourth proportional to 92,768.27, 127,954.21 and 85,136.19 is: 117,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,768.27 : 127,954.21 = 85,136.19 : x
  2. Step 2: Convert to fraction form
    92,768.27/127,954.21 = 85,136.19/x
  3. Step 3: Cross multiply
    92,768.27x = 127,954.21 × 85,136.19
  4. Step 4: Simplify right side
    92,768.27x = 10,893,533,933.86
  5. Step 5: Solve for x
    x = 10,893,533,933.86/92,768.27
  6. Step 6: Final answer
    x = 117,427.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.