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Finding the Fourth Proportional to 81,337.86, 112,246.22 and 45,527.87

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Solution

The fourth proportional to 81,337.86, 112,246.22 and 45,527.87 is: 62,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,337.86 : 112,246.22 = 45,527.87 : x
  2. Step 2: Convert to fraction form
    81,337.86/112,246.22 = 45,527.87/x
  3. Step 3: Cross multiply
    81,337.86x = 112,246.22 × 45,527.87
  4. Step 4: Simplify right side
    81,337.86x = 5,110,331,312.15
  5. Step 5: Solve for x
    x = 5,110,331,312.15/81,337.86
  6. Step 6: Final answer
    x = 62,828.45

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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.