Home / 72,270.16-108,378.31-24,872.00

Finding the Fourth Proportional to 72,270.16, 108,378.31 and 24,872.00

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Solution

The fourth proportional to 72,270.16, 108,378.31 and 24,872.00 is: 37,298.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,270.16 : 108,378.31 = 24,872.00 : x
  2. Step 2: Convert to fraction form
    72,270.16/108,378.31 = 24,872.00/x
  3. Step 3: Cross multiply
    72,270.16x = 108,378.31 × 24,872.00
  4. Step 4: Simplify right side
    72,270.16x = 2,695,584,993.19
  5. Step 5: Solve for x
    x = 2,695,584,993.19/72,270.16
  6. Step 6: Final answer
    x = 37,298.73

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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.