Home / 80,368.29-120,575.97-35,985.15

Finding the Fourth Proportional to 80,368.29, 120,575.97 and 35,985.15

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Solution

The fourth proportional to 80,368.29, 120,575.97 and 35,985.15 is: 53,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,368.29 : 120,575.97 = 35,985.15 : x
  2. Step 2: Convert to fraction form
    80,368.29/120,575.97 = 35,985.15/x
  3. Step 3: Cross multiply
    80,368.29x = 120,575.97 × 35,985.15
  4. Step 4: Simplify right side
    80,368.29x = 4,338,944,366.85
  5. Step 5: Solve for x
    x = 4,338,944,366.85/80,368.29
  6. Step 6: Final answer
    x = 53,988.26

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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.