Home / 52,191.20-78,296.56-17,140.96

Finding the Fourth Proportional to 52,191.20, 78,296.56 and 17,140.96

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Solution

The fourth proportional to 52,191.20, 78,296.56 and 17,140.96 is: 25,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,191.20 : 78,296.56 = 17,140.96 : x
  2. Step 2: Convert to fraction form
    52,191.20/78,296.56 = 17,140.96/x
  3. Step 3: Cross multiply
    52,191.20x = 78,296.56 × 17,140.96
  4. Step 4: Simplify right side
    52,191.20x = 1,342,078,203.10
  5. Step 5: Solve for x
    x = 1,342,078,203.10/52,191.20
  6. Step 6: Final answer
    x = 25,714.65

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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.