Home / 83,068.20-124,631.10-36,354.60

Finding the Fourth Proportional to 83,068.20, 124,631.10 and 36,354.60

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Solution

The fourth proportional to 83,068.20, 124,631.10 and 36,354.60 is: 54,544.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,068.20 : 124,631.10 = 36,354.60 : x
  2. Step 2: Convert to fraction form
    83,068.20/124,631.10 = 36,354.60/x
  3. Step 3: Cross multiply
    83,068.20x = 124,631.10 × 36,354.60
  4. Step 4: Simplify right side
    83,068.20x = 4,530,913,788.06
  5. Step 5: Solve for x
    x = 4,530,913,788.06/83,068.20
  6. Step 6: Final answer
    x = 54,544.50

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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.