Home / 81,167.46-112,010.83-45,357.47

Finding the Fourth Proportional to 81,167.46, 112,010.83 and 45,357.47

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Solution

The fourth proportional to 81,167.46, 112,010.83 and 45,357.47 is: 62,593.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,167.46 : 112,010.83 = 45,357.47 : x
  2. Step 2: Convert to fraction form
    81,167.46/112,010.83 = 45,357.47/x
  3. Step 3: Cross multiply
    81,167.46x = 112,010.83 × 45,357.47
  4. Step 4: Simplify right side
    81,167.46x = 5,080,527,861.40
  5. Step 5: Solve for x
    x = 5,080,527,861.40/81,167.46
  6. Step 6: Final answer
    x = 62,593.16

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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.