Home / 77,344.52-115,848.30-47,769.80

Finding the Fourth Proportional to 77,344.52, 115,848.30 and 47,769.80

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Solution

The fourth proportional to 77,344.52, 115,848.30 and 47,769.80 is: 71,550.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,344.52 : 115,848.30 = 47,769.80 : x
  2. Step 2: Convert to fraction form
    77,344.52/115,848.30 = 47,769.80/x
  3. Step 3: Cross multiply
    77,344.52x = 115,848.30 × 47,769.80
  4. Step 4: Simplify right side
    77,344.52x = 5,534,050,121.34
  5. Step 5: Solve for x
    x = 5,534,050,121.34/77,344.52
  6. Step 6: Final answer
    x = 71,550.64

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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.