Home / 72,437.22-108,670.41-25,693.74

Finding the Fourth Proportional to 72,437.22, 108,670.41 and 25,693.74

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Solution

The fourth proportional to 72,437.22, 108,670.41 and 25,693.74 is: 38,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,437.22 : 108,670.41 = 25,693.74 : x
  2. Step 2: Convert to fraction form
    72,437.22/108,670.41 = 25,693.74/x
  3. Step 3: Cross multiply
    72,437.22x = 108,670.41 × 25,693.74
  4. Step 4: Simplify right side
    72,437.22x = 2,792,149,260.23
  5. Step 5: Solve for x
    x = 2,792,149,260.23/72,437.22
  6. Step 6: Final answer
    x = 38,545.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.