Home / 83,070.46-124,607.45-29,765.90

Finding the Fourth Proportional to 83,070.46, 124,607.45 and 29,765.90

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Solution

The fourth proportional to 83,070.46, 124,607.45 and 29,765.90 is: 44,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,070.46 : 124,607.45 = 29,765.90 : x
  2. Step 2: Convert to fraction form
    83,070.46/124,607.45 = 29,765.90/x
  3. Step 3: Cross multiply
    83,070.46x = 124,607.45 × 29,765.90
  4. Step 4: Simplify right side
    83,070.46x = 3,709,052,895.96
  5. Step 5: Solve for x
    x = 3,709,052,895.96/83,070.46
  6. Step 6: Final answer
    x = 44,649.48

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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.