Home / 61,426.80-84,761.46-38,757.24

Finding the Fourth Proportional to 61,426.80, 84,761.46 and 38,757.24

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Solution

The fourth proportional to 61,426.80, 84,761.46 and 38,757.24 is: 53,480.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,426.80 : 84,761.46 = 38,757.24 : x
  2. Step 2: Convert to fraction form
    61,426.80/84,761.46 = 38,757.24/x
  3. Step 3: Cross multiply
    61,426.80x = 84,761.46 × 38,757.24
  4. Step 4: Simplify right side
    61,426.80x = 3,285,120,247.97
  5. Step 5: Solve for x
    x = 3,285,120,247.97/61,426.80
  6. Step 6: Final answer
    x = 53,480.24

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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.