Home / 79,690.72-119,508.18-23,515.92

Finding the Fourth Proportional to 79,690.72, 119,508.18 and 23,515.92

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Solution

The fourth proportional to 79,690.72, 119,508.18 and 23,515.92 is: 35,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,690.72 : 119,508.18 = 23,515.92 : x
  2. Step 2: Convert to fraction form
    79,690.72/119,508.18 = 23,515.92/x
  3. Step 3: Cross multiply
    79,690.72x = 119,508.18 × 23,515.92
  4. Step 4: Simplify right side
    79,690.72x = 2,810,344,800.23
  5. Step 5: Solve for x
    x = 2,810,344,800.23/79,690.72
  6. Step 6: Final answer
    x = 35,265.65

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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.