Home / 72,154.81-108,233.04-22,234.51

Finding the Fourth Proportional to 72,154.81, 108,233.04 and 22,234.51

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Solution

The fourth proportional to 72,154.81, 108,233.04 and 22,234.51 is: 33,352.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,154.81 : 108,233.04 = 22,234.51 : x
  2. Step 2: Convert to fraction form
    72,154.81/108,233.04 = 22,234.51/x
  3. Step 3: Cross multiply
    72,154.81x = 108,233.04 × 22,234.51
  4. Step 4: Simplify right side
    72,154.81x = 2,406,508,610.21
  5. Step 5: Solve for x
    x = 2,406,508,610.21/72,154.81
  6. Step 6: Final answer
    x = 33,352.02

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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.