Home / 122,626.86-169,225.68-71,642.52

Finding the Fourth Proportional to 122,626.86, 169,225.68 and 71,642.52

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Solution

The fourth proportional to 122,626.86, 169,225.68 and 71,642.52 is: 98,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,626.86 : 169,225.68 = 71,642.52 : x
  2. Step 2: Convert to fraction form
    122,626.86/169,225.68 = 71,642.52/x
  3. Step 3: Cross multiply
    122,626.86x = 169,225.68 × 71,642.52
  4. Step 4: Simplify right side
    122,626.86x = 12,123,754,163.91
  5. Step 5: Solve for x
    x = 12,123,754,163.91/122,626.86
  6. Step 6: Final answer
    x = 98,867.04

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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.