Home / 125,012.24-187,593.88-65,891.60

Finding the Fourth Proportional to 125,012.24, 187,593.88 and 65,891.60

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Solution

The fourth proportional to 125,012.24, 187,593.88 and 65,891.60 is: 98,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,012.24 : 187,593.88 = 65,891.60 : x
  2. Step 2: Convert to fraction form
    125,012.24/187,593.88 = 65,891.60/x
  3. Step 3: Cross multiply
    125,012.24x = 187,593.88 × 65,891.60
  4. Step 4: Simplify right side
    125,012.24x = 12,360,860,903.41
  5. Step 5: Solve for x
    x = 12,360,860,903.41/125,012.24
  6. Step 6: Final answer
    x = 98,877.21

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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.