Home / 77,387.20-116,081.00-32,985.63

Finding the Fourth Proportional to 77,387.20, 116,081.00 and 32,985.63

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Solution

The fourth proportional to 77,387.20, 116,081.00 and 32,985.63 is: 49,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,387.20 : 116,081.00 = 32,985.63 : x
  2. Step 2: Convert to fraction form
    77,387.20/116,081.00 = 32,985.63/x
  3. Step 3: Cross multiply
    77,387.20x = 116,081.00 × 32,985.63
  4. Step 4: Simplify right side
    77,387.20x = 3,829,004,874.80
  5. Step 5: Solve for x
    x = 3,829,004,874.80/77,387.20
  6. Step 6: Final answer
    x = 49,478.53

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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.