Home / 71,960.60-107,931.18-19,373.24

Finding the Fourth Proportional to 71,960.60, 107,931.18 and 19,373.24

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Solution

The fourth proportional to 71,960.60, 107,931.18 and 19,373.24 is: 29,057.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,960.60 : 107,931.18 = 19,373.24 : x
  2. Step 2: Convert to fraction form
    71,960.60/107,931.18 = 19,373.24/x
  3. Step 3: Cross multiply
    71,960.60x = 107,931.18 × 19,373.24
  4. Step 4: Simplify right side
    71,960.60x = 2,090,976,653.62
  5. Step 5: Solve for x
    x = 2,090,976,653.62/71,960.60
  6. Step 6: Final answer
    x = 29,057.24

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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.