Home / 83,181.12-124,829.76-36,447.36

Finding the Fourth Proportional to 83,181.12, 124,829.76 and 36,447.36

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Solution

The fourth proportional to 83,181.12, 124,829.76 and 36,447.36 is: 54,696.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,181.12 : 124,829.76 = 36,447.36 : x
  2. Step 2: Convert to fraction form
    83,181.12/124,829.76 = 36,447.36/x
  3. Step 3: Cross multiply
    83,181.12x = 124,829.76 × 36,447.36
  4. Step 4: Simplify right side
    83,181.12x = 4,549,715,201.43
  5. Step 5: Solve for x
    x = 4,549,715,201.43/83,181.12
  6. Step 6: Final answer
    x = 54,696.49

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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.