Home / 94,138.86-129,930.03-58,344.78

Finding the Fourth Proportional to 94,138.86, 129,930.03 and 58,344.78

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Solution

The fourth proportional to 94,138.86, 129,930.03 and 58,344.78 is: 80,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,138.86 : 129,930.03 = 58,344.78 : x
  2. Step 2: Convert to fraction form
    94,138.86/129,930.03 = 58,344.78/x
  3. Step 3: Cross multiply
    94,138.86x = 129,930.03 × 58,344.78
  4. Step 4: Simplify right side
    94,138.86x = 7,580,739,015.74
  5. Step 5: Solve for x
    x = 7,580,739,015.74/94,138.86
  6. Step 6: Final answer
    x = 80,527.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.