Home / 85,255.40-127,901.84-26,095.64

Finding the Fourth Proportional to 85,255.40, 127,901.84 and 26,095.64

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Solution

The fourth proportional to 85,255.40, 127,901.84 and 26,095.64 is: 39,149.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,255.40 : 127,901.84 = 26,095.64 : x
  2. Step 2: Convert to fraction form
    85,255.40/127,901.84 = 26,095.64/x
  3. Step 3: Cross multiply
    85,255.40x = 127,901.84 × 26,095.64
  4. Step 4: Simplify right side
    85,255.40x = 3,337,679,601.99
  5. Step 5: Solve for x
    x = 3,337,679,601.99/85,255.40
  6. Step 6: Final answer
    x = 39,149.19

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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.