Home / 83,440.35-115,148.23-45,199.89

Finding the Fourth Proportional to 83,440.35, 115,148.23 and 45,199.89

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Solution

The fourth proportional to 83,440.35, 115,148.23 and 45,199.89 is: 62,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,440.35 : 115,148.23 = 45,199.89 : x
  2. Step 2: Convert to fraction form
    83,440.35/115,148.23 = 45,199.89/x
  3. Step 3: Cross multiply
    83,440.35x = 115,148.23 × 45,199.89
  4. Step 4: Simplify right side
    83,440.35x = 5,204,687,216.69
  5. Step 5: Solve for x
    x = 5,204,687,216.69/83,440.35
  6. Step 6: Final answer
    x = 62,376.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.