Home / 81,753.20-112,860.24-53,502.04

Finding the Fourth Proportional to 81,753.20, 112,860.24 and 53,502.04

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Solution

The fourth proportional to 81,753.20, 112,860.24 and 53,502.04 is: 73,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,753.20 : 112,860.24 = 53,502.04 : x
  2. Step 2: Convert to fraction form
    81,753.20/112,860.24 = 53,502.04/x
  3. Step 3: Cross multiply
    81,753.20x = 112,860.24 × 53,502.04
  4. Step 4: Simplify right side
    81,753.20x = 6,038,253,074.89
  5. Step 5: Solve for x
    x = 6,038,253,074.89/81,753.20
  6. Step 6: Final answer
    x = 73,859.53

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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.