Home / 121,344.61-182,098.91-42,459.52

Finding the Fourth Proportional to 121,344.61, 182,098.91 and 42,459.52

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Solution

The fourth proportional to 121,344.61, 182,098.91 and 42,459.52 is: 63,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,344.61 : 182,098.91 = 42,459.52 : x
  2. Step 2: Convert to fraction form
    121,344.61/182,098.91 = 42,459.52/x
  3. Step 3: Cross multiply
    121,344.61x = 182,098.91 × 42,459.52
  4. Step 4: Simplify right side
    121,344.61x = 7,731,832,311.12
  5. Step 5: Solve for x
    x = 7,731,832,311.12/121,344.61
  6. Step 6: Final answer
    x = 63,717.97

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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.