Home / 72,002.95-108,144.59-58,685.79

Finding the Fourth Proportional to 72,002.95, 108,144.59 and 58,685.79

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Solution

The fourth proportional to 72,002.95, 108,144.59 and 58,685.79 is: 88,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,002.95 : 108,144.59 = 58,685.79 : x
  2. Step 2: Convert to fraction form
    72,002.95/108,144.59 = 58,685.79/x
  3. Step 3: Cross multiply
    72,002.95x = 108,144.59 × 58,685.79
  4. Step 4: Simplify right side
    72,002.95x = 6,346,550,698.38
  5. Step 5: Solve for x
    x = 6,346,550,698.38/72,002.95
  6. Step 6: Final answer
    x = 88,142.93

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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.