Home / 82,765.16-124,148.90-23,600.82

Finding the Fourth Proportional to 82,765.16, 124,148.90 and 23,600.82

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Solution

The fourth proportional to 82,765.16, 124,148.90 and 23,600.82 is: 35,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,765.16 : 124,148.90 = 23,600.82 : x
  2. Step 2: Convert to fraction form
    82,765.16/124,148.90 = 23,600.82/x
  3. Step 3: Cross multiply
    82,765.16x = 124,148.90 × 23,600.82
  4. Step 4: Simplify right side
    82,765.16x = 2,930,015,842.10
  5. Step 5: Solve for x
    x = 2,930,015,842.10/82,765.16
  6. Step 6: Final answer
    x = 35,401.56

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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.