Home / 71,437.12-107,173.50-50,418.22

Finding the Fourth Proportional to 71,437.12, 107,173.50 and 50,418.22

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Solution

The fourth proportional to 71,437.12, 107,173.50 and 50,418.22 is: 75,639.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,437.12 : 107,173.50 = 50,418.22 : x
  2. Step 2: Convert to fraction form
    71,437.12/107,173.50 = 50,418.22/x
  3. Step 3: Cross multiply
    71,437.12x = 107,173.50 × 50,418.22
  4. Step 4: Simplify right side
    71,437.12x = 5,403,497,101.17
  5. Step 5: Solve for x
    x = 5,403,497,101.17/71,437.12
  6. Step 6: Final answer
    x = 75,639.91

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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.