Home / 71,432.20-107,099.70-34,010.20

Finding the Fourth Proportional to 71,432.20, 107,099.70 and 34,010.20

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Solution

The fourth proportional to 71,432.20, 107,099.70 and 34,010.20 is: 50,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,432.20 : 107,099.70 = 34,010.20 : x
  2. Step 2: Convert to fraction form
    71,432.20/107,099.70 = 34,010.20/x
  3. Step 3: Cross multiply
    71,432.20x = 107,099.70 × 34,010.20
  4. Step 4: Simplify right side
    71,432.20x = 3,642,482,216.94
  5. Step 5: Solve for x
    x = 3,642,482,216.94/71,432.20
  6. Step 6: Final answer
    x = 50,992.16

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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.