Home / 75,631.20-113,432.40-23,042.40

Finding the Fourth Proportional to 75,631.20, 113,432.40 and 23,042.40

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Solution

The fourth proportional to 75,631.20, 113,432.40 and 23,042.40 is: 34,559.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,631.20 : 113,432.40 = 23,042.40 : x
  2. Step 2: Convert to fraction form
    75,631.20/113,432.40 = 23,042.40/x
  3. Step 3: Cross multiply
    75,631.20x = 113,432.40 × 23,042.40
  4. Step 4: Simplify right side
    75,631.20x = 2,613,754,733.76
  5. Step 5: Solve for x
    x = 2,613,754,733.76/75,631.20
  6. Step 6: Final answer
    x = 34,559.21

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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.