Home / 57,247.23-78,909.89-45,127.95

Finding the Fourth Proportional to 57,247.23, 78,909.89 and 45,127.95

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Solution

The fourth proportional to 57,247.23, 78,909.89 and 45,127.95 is: 62,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,247.23 : 78,909.89 = 45,127.95 : x
  2. Step 2: Convert to fraction form
    57,247.23/78,909.89 = 45,127.95/x
  3. Step 3: Cross multiply
    57,247.23x = 78,909.89 × 45,127.95
  4. Step 4: Simplify right side
    57,247.23x = 3,561,041,344.79
  5. Step 5: Solve for x
    x = 3,561,041,344.79/57,247.23
  6. Step 6: Final answer
    x = 62,204.61

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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.