Home / 86,451.11-129,645.47-36,535.07

Finding the Fourth Proportional to 86,451.11, 129,645.47 and 36,535.07

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Solution

The fourth proportional to 86,451.11, 129,645.47 and 36,535.07 is: 54,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,451.11 : 129,645.47 = 36,535.07 : x
  2. Step 2: Convert to fraction form
    86,451.11/129,645.47 = 36,535.07/x
  3. Step 3: Cross multiply
    86,451.11x = 129,645.47 × 36,535.07
  4. Step 4: Simplify right side
    86,451.11x = 4,736,606,321.63
  5. Step 5: Solve for x
    x = 4,736,606,321.63/86,451.11
  6. Step 6: Final answer
    x = 54,789.42

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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.