Home / 74,426.80-111,640.20-52,265.20

Finding the Fourth Proportional to 74,426.80, 111,640.20 and 52,265.20

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Solution

The fourth proportional to 74,426.80, 111,640.20 and 52,265.20 is: 78,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,426.80 : 111,640.20 = 52,265.20 : x
  2. Step 2: Convert to fraction form
    74,426.80/111,640.20 = 52,265.20/x
  3. Step 3: Cross multiply
    74,426.80x = 111,640.20 × 52,265.20
  4. Step 4: Simplify right side
    74,426.80x = 5,834,897,381.04
  5. Step 5: Solve for x
    x = 5,834,897,381.04/74,426.80
  6. Step 6: Final answer
    x = 78,397.80

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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.