Home / 75,815.10-113,722.65-50,445.90

Finding the Fourth Proportional to 75,815.10, 113,722.65 and 50,445.90

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Solution

The fourth proportional to 75,815.10, 113,722.65 and 50,445.90 is: 75,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,815.10 : 113,722.65 = 50,445.90 : x
  2. Step 2: Convert to fraction form
    75,815.10/113,722.65 = 50,445.90/x
  3. Step 3: Cross multiply
    75,815.10x = 113,722.65 × 50,445.90
  4. Step 4: Simplify right side
    75,815.10x = 5,736,841,429.64
  5. Step 5: Solve for x
    x = 5,736,841,429.64/75,815.10
  6. Step 6: Final answer
    x = 75,668.85

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Similar ratio
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1.5x scale

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.