Home / 72,276.52-108,375.18-22,343.08

Finding the Fourth Proportional to 72,276.52, 108,375.18 and 22,343.08

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Solution

The fourth proportional to 72,276.52, 108,375.18 and 22,343.08 is: 33,502.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,276.52 : 108,375.18 = 22,343.08 : x
  2. Step 2: Convert to fraction form
    72,276.52/108,375.18 = 22,343.08/x
  3. Step 3: Cross multiply
    72,276.52x = 108,375.18 × 22,343.08
  4. Step 4: Simplify right side
    72,276.52x = 2,421,435,316.75
  5. Step 5: Solve for x
    x = 2,421,435,316.75/72,276.52
  6. Step 6: Final answer
    x = 33,502.38

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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.