Home / 77,998.52-117,007.50-25,393.88

Finding the Fourth Proportional to 77,998.52, 117,007.50 and 25,393.88

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Solution

The fourth proportional to 77,998.52, 117,007.50 and 25,393.88 is: 38,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,998.52 : 117,007.50 = 25,393.88 : x
  2. Step 2: Convert to fraction form
    77,998.52/117,007.50 = 25,393.88/x
  3. Step 3: Cross multiply
    77,998.52x = 117,007.50 × 25,393.88
  4. Step 4: Simplify right side
    77,998.52x = 2,971,274,414.10
  5. Step 5: Solve for x
    x = 2,971,274,414.10/77,998.52
  6. Step 6: Final answer
    x = 38,093.98

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1.5x scale

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.