Home / 121,539.18-182,064.57-60,565.53

Finding the Fourth Proportional to 121,539.18, 182,064.57 and 60,565.53

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Solution

The fourth proportional to 121,539.18, 182,064.57 and 60,565.53 is: 90,726.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,539.18 : 182,064.57 = 60,565.53 : x
  2. Step 2: Convert to fraction form
    121,539.18/182,064.57 = 60,565.53/x
  3. Step 3: Cross multiply
    121,539.18x = 182,064.57 × 60,565.53
  4. Step 4: Simplify right side
    121,539.18x = 11,026,837,176.27
  5. Step 5: Solve for x
    x = 11,026,837,176.27/121,539.18
  6. Step 6: Final answer
    x = 90,726.61

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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.