Home / 76,712.03-115,115.95-29,331.11

Finding the Fourth Proportional to 76,712.03, 115,115.95 and 29,331.11

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Solution

The fourth proportional to 76,712.03, 115,115.95 and 29,331.11 is: 44,014.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,712.03 : 115,115.95 = 29,331.11 : x
  2. Step 2: Convert to fraction form
    76,712.03/115,115.95 = 29,331.11/x
  3. Step 3: Cross multiply
    76,712.03x = 115,115.95 × 29,331.11
  4. Step 4: Simplify right side
    76,712.03x = 3,376,478,016.62
  5. Step 5: Solve for x
    x = 3,376,478,016.62/76,712.03
  6. Step 6: Final answer
    x = 44,014.97

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1.5x scale

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.