Home / 124,733.10-187,217.10-65,611.20

Finding the Fourth Proportional to 124,733.10, 187,217.10 and 65,611.20

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Solution

The fourth proportional to 124,733.10, 187,217.10 and 65,611.20 is: 98,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,733.10 : 187,217.10 = 65,611.20 : x
  2. Step 2: Convert to fraction form
    124,733.10/187,217.10 = 65,611.20/x
  3. Step 3: Cross multiply
    124,733.10x = 187,217.10 × 65,611.20
  4. Step 4: Simplify right side
    124,733.10x = 12,283,538,591.52
  5. Step 5: Solve for x
    x = 12,283,538,591.52/124,733.10
  6. Step 6: Final answer
    x = 98,478.58

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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.