Home / 72,423.42-108,665.13-39,104.34

Finding the Fourth Proportional to 72,423.42, 108,665.13 and 39,104.34

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Solution

The fourth proportional to 72,423.42, 108,665.13 and 39,104.34 is: 58,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,423.42 : 108,665.13 = 39,104.34 : x
  2. Step 2: Convert to fraction form
    72,423.42/108,665.13 = 39,104.34/x
  3. Step 3: Cross multiply
    72,423.42x = 108,665.13 × 39,104.34
  4. Step 4: Simplify right side
    72,423.42x = 4,249,278,189.66
  5. Step 5: Solve for x
    x = 4,249,278,189.66/72,423.42
  6. Step 6: Final answer
    x = 58,672.71

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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.