Home / 71,931.18-107,896.77-25,173.12

Finding the Fourth Proportional to 71,931.18, 107,896.77 and 25,173.12

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Solution

The fourth proportional to 71,931.18, 107,896.77 and 25,173.12 is: 37,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,931.18 : 107,896.77 = 25,173.12 : x
  2. Step 2: Convert to fraction form
    71,931.18/107,896.77 = 25,173.12/x
  3. Step 3: Cross multiply
    71,931.18x = 107,896.77 × 25,173.12
  4. Step 4: Simplify right side
    71,931.18x = 2,716,098,338.82
  5. Step 5: Solve for x
    x = 2,716,098,338.82/71,931.18
  6. Step 6: Final answer
    x = 37,759.68

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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.