Home / 77,982.52-116,989.58-25,377.88

Finding the Fourth Proportional to 77,982.52, 116,989.58 and 25,377.88

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Solution

The fourth proportional to 77,982.52, 116,989.58 and 25,377.88 is: 38,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,982.52 : 116,989.58 = 25,377.88 : x
  2. Step 2: Convert to fraction form
    77,982.52/116,989.58 = 25,377.88/x
  3. Step 3: Cross multiply
    77,982.52x = 116,989.58 × 25,377.88
  4. Step 4: Simplify right side
    77,982.52x = 2,968,947,522.49
  5. Step 5: Solve for x
    x = 2,968,947,522.49/77,982.52
  6. Step 6: Final answer
    x = 38,071.96

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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.