Home / 107,987.60-149,023.14-60,244.04

Finding the Fourth Proportional to 107,987.60, 149,023.14 and 60,244.04

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Solution

The fourth proportional to 107,987.60, 149,023.14 and 60,244.04 is: 83,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,987.60 : 149,023.14 = 60,244.04 : x
  2. Step 2: Convert to fraction form
    107,987.60/149,023.14 = 60,244.04/x
  3. Step 3: Cross multiply
    107,987.60x = 149,023.14 × 60,244.04
  4. Step 4: Simplify right side
    107,987.60x = 8,977,756,007.09
  5. Step 5: Solve for x
    x = 8,977,756,007.09/107,987.60
  6. Step 6: Final answer
    x = 83,136.92

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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.