Home / 72,462.16-108,694.68-28,084.24

Finding the Fourth Proportional to 72,462.16, 108,694.68 and 28,084.24

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Solution

The fourth proportional to 72,462.16, 108,694.68 and 28,084.24 is: 42,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,462.16 : 108,694.68 = 28,084.24 : x
  2. Step 2: Convert to fraction form
    72,462.16/108,694.68 = 28,084.24/x
  3. Step 3: Cross multiply
    72,462.16x = 108,694.68 × 28,084.24
  4. Step 4: Simplify right side
    72,462.16x = 3,052,607,479.84
  5. Step 5: Solve for x
    x = 3,052,607,479.84/72,462.16
  6. Step 6: Final answer
    x = 42,126.92

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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.