Home / 107,987.61-149,022.48-60,240.92

Finding the Fourth Proportional to 107,987.61, 149,022.48 and 60,240.92

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Solution

The fourth proportional to 107,987.61, 149,022.48 and 60,240.92 is: 83,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,987.61 : 149,022.48 = 60,240.92 : x
  2. Step 2: Convert to fraction form
    107,987.61/149,022.48 = 60,240.92/x
  3. Step 3: Cross multiply
    107,987.61x = 149,022.48 × 60,240.92
  4. Step 4: Simplify right side
    107,987.61x = 8,977,250,776.67
  5. Step 5: Solve for x
    x = 8,977,250,776.67/107,987.61
  6. Step 6: Final answer
    x = 83,132.23

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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.