Home / 72,134.96-108,008.04-47,113.04

Finding the Fourth Proportional to 72,134.96, 108,008.04 and 47,113.04

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Solution

The fourth proportional to 72,134.96, 108,008.04 and 47,113.04 is: 70,542.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,134.96 : 108,008.04 = 47,113.04 : x
  2. Step 2: Convert to fraction form
    72,134.96/108,008.04 = 47,113.04/x
  3. Step 3: Cross multiply
    72,134.96x = 108,008.04 × 47,113.04
  4. Step 4: Simplify right side
    72,134.96x = 5,088,587,108.84
  5. Step 5: Solve for x
    x = 5,088,587,108.84/72,134.96
  6. Step 6: Final answer
    x = 70,542.59

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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.