Home / 72,204.08-108,306.43-47,401.07

Finding the Fourth Proportional to 72,204.08, 108,306.43 and 47,401.07

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Solution

The fourth proportional to 72,204.08, 108,306.43 and 47,401.07 is: 71,101.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,204.08 : 108,306.43 = 47,401.07 : x
  2. Step 2: Convert to fraction form
    72,204.08/108,306.43 = 47,401.07/x
  3. Step 3: Cross multiply
    72,204.08x = 108,306.43 × 47,401.07
  4. Step 4: Simplify right side
    72,204.08x = 5,133,840,432.87
  5. Step 5: Solve for x
    x = 5,133,840,432.87/72,204.08
  6. Step 6: Final answer
    x = 71,101.81

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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.