Home / 86,764.91-129,998.66-58,248.45

Finding the Fourth Proportional to 86,764.91, 129,998.66 and 58,248.45

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Solution

The fourth proportional to 86,764.91, 129,998.66 and 58,248.45 is: 87,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,764.91 : 129,998.66 = 58,248.45 : x
  2. Step 2: Convert to fraction form
    86,764.91/129,998.66 = 58,248.45/x
  3. Step 3: Cross multiply
    86,764.91x = 129,998.66 × 58,248.45
  4. Step 4: Simplify right side
    86,764.91x = 7,572,220,155.83
  5. Step 5: Solve for x
    x = 7,572,220,155.83/86,764.91
  6. Step 6: Final answer
    x = 87,272.85

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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.