Home / 86,505.73-129,712.33-44,368.62

Finding the Fourth Proportional to 86,505.73, 129,712.33 and 44,368.62

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Solution

The fourth proportional to 86,505.73, 129,712.33 and 44,368.62 is: 66,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,505.73 : 129,712.33 = 44,368.62 : x
  2. Step 2: Convert to fraction form
    86,505.73/129,712.33 = 44,368.62/x
  3. Step 3: Cross multiply
    86,505.73x = 129,712.33 × 44,368.62
  4. Step 4: Simplify right side
    86,505.73x = 5,755,157,079.08
  5. Step 5: Solve for x
    x = 5,755,157,079.08/86,505.73
  6. Step 6: Final answer
    x = 66,529.20

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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.