Home / 77,489.29-116,278.78-32,506.62

Finding the Fourth Proportional to 77,489.29, 116,278.78 and 32,506.62

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Solution

The fourth proportional to 77,489.29, 116,278.78 and 32,506.62 is: 48,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,489.29 : 116,278.78 = 32,506.62 : x
  2. Step 2: Convert to fraction form
    77,489.29/116,278.78 = 32,506.62/x
  3. Step 3: Cross multiply
    77,489.29x = 116,278.78 × 32,506.62
  4. Step 4: Simplify right side
    77,489.29x = 3,779,829,371.60
  5. Step 5: Solve for x
    x = 3,779,829,371.60/77,489.29
  6. Step 6: Final answer
    x = 48,778.73

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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.