Home / 71,807.46-107,636.32-40,171.14

Finding the Fourth Proportional to 71,807.46, 107,636.32 and 40,171.14

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Solution

The fourth proportional to 71,807.46, 107,636.32 and 40,171.14 is: 60,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,807.46 : 107,636.32 = 40,171.14 : x
  2. Step 2: Convert to fraction form
    71,807.46/107,636.32 = 40,171.14/x
  3. Step 3: Cross multiply
    71,807.46x = 107,636.32 × 40,171.14
  4. Step 4: Simplify right side
    71,807.46x = 4,323,873,617.04
  5. Step 5: Solve for x
    x = 4,323,873,617.04/71,807.46
  6. Step 6: Final answer
    x = 60,214.82

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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.