Home / 86,249.29-129,330.17-39,462.07

Finding the Fourth Proportional to 86,249.29, 129,330.17 and 39,462.07

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Solution

The fourth proportional to 86,249.29, 129,330.17 and 39,462.07 is: 59,173.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,249.29 : 129,330.17 = 39,462.07 : x
  2. Step 2: Convert to fraction form
    86,249.29/129,330.17 = 39,462.07/x
  3. Step 3: Cross multiply
    86,249.29x = 129,330.17 × 39,462.07
  4. Step 4: Simplify right side
    86,249.29x = 5,103,635,575.00
  5. Step 5: Solve for x
    x = 5,103,635,575.00/86,249.29
  6. Step 6: Final answer
    x = 59,173.08

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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.