Home / 86,238.25-129,357.96-32,915.85

Finding the Fourth Proportional to 86,238.25, 129,357.96 and 32,915.85

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Solution

The fourth proportional to 86,238.25, 129,357.96 and 32,915.85 is: 49,374.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,238.25 : 129,357.96 = 32,915.85 : x
  2. Step 2: Convert to fraction form
    86,238.25/129,357.96 = 32,915.85/x
  3. Step 3: Cross multiply
    86,238.25x = 129,357.96 × 32,915.85
  4. Step 4: Simplify right side
    86,238.25x = 4,257,927,207.67
  5. Step 5: Solve for x
    x = 4,257,927,207.67/86,238.25
  6. Step 6: Final answer
    x = 49,374.00

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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.