Home / 77,116.62-115,740.54-54,984.18

Finding the Fourth Proportional to 77,116.62, 115,740.54 and 54,984.18

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Solution

The fourth proportional to 77,116.62, 115,740.54 and 54,984.18 is: 82,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,116.62 : 115,740.54 = 54,984.18 : x
  2. Step 2: Convert to fraction form
    77,116.62/115,740.54 = 54,984.18/x
  3. Step 3: Cross multiply
    77,116.62x = 115,740.54 × 54,984.18
  4. Step 4: Simplify right side
    77,116.62x = 6,363,898,684.66
  5. Step 5: Solve for x
    x = 6,363,898,684.66/77,116.62
  6. Step 6: Final answer
    x = 82,523.05

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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.