Home / 81,767.50-112,833.54-45,962.90

Finding the Fourth Proportional to 81,767.50, 112,833.54 and 45,962.90

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Solution

The fourth proportional to 81,767.50, 112,833.54 and 45,962.90 is: 63,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,767.50 : 112,833.54 = 45,962.90 : x
  2. Step 2: Convert to fraction form
    81,767.50/112,833.54 = 45,962.90/x
  3. Step 3: Cross multiply
    81,767.50x = 112,833.54 × 45,962.90
  4. Step 4: Simplify right side
    81,767.50x = 5,186,156,715.67
  5. Step 5: Solve for x
    x = 5,186,156,715.67/81,767.50
  6. Step 6: Final answer
    x = 63,425.65

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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.