Home / 103,517.40-155,308.92-36,956.07

Finding the Fourth Proportional to 103,517.40, 155,308.92 and 36,956.07

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Solution

The fourth proportional to 103,517.40, 155,308.92 and 36,956.07 is: 55,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,517.40 : 155,308.92 = 36,956.07 : x
  2. Step 2: Convert to fraction form
    103,517.40/155,308.92 = 36,956.07/x
  3. Step 3: Cross multiply
    103,517.40x = 155,308.92 × 36,956.07
  4. Step 4: Simplify right side
    103,517.40x = 5,739,607,319.14
  5. Step 5: Solve for x
    x = 5,739,607,319.14/103,517.40
  6. Step 6: Final answer
    x = 55,445.82

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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.