Home / 86,528.32-129,765.68-36,607.52

Finding the Fourth Proportional to 86,528.32, 129,765.68 and 36,607.52

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Solution

The fourth proportional to 86,528.32, 129,765.68 and 36,607.52 is: 54,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,528.32 : 129,765.68 = 36,607.52 : x
  2. Step 2: Convert to fraction form
    86,528.32/129,765.68 = 36,607.52/x
  3. Step 3: Cross multiply
    86,528.32x = 129,765.68 × 36,607.52
  4. Step 4: Simplify right side
    86,528.32x = 4,750,399,725.91
  5. Step 5: Solve for x
    x = 4,750,399,725.91/86,528.32
  6. Step 6: Final answer
    x = 54,899.94

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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.