Home / 82,761.12-124,145.64-23,600.88

Finding the Fourth Proportional to 82,761.12, 124,145.64 and 23,600.88

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Solution

The fourth proportional to 82,761.12, 124,145.64 and 23,600.88 is: 35,402.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,761.12 : 124,145.64 = 23,600.88 : x
  2. Step 2: Convert to fraction form
    82,761.12/124,145.64 = 23,600.88/x
  3. Step 3: Cross multiply
    82,761.12x = 124,145.64 × 23,600.88
  4. Step 4: Simplify right side
    82,761.12x = 2,929,946,352.16
  5. Step 5: Solve for x
    x = 2,929,946,352.16/82,761.12
  6. Step 6: Final answer
    x = 35,402.45

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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.