Home / 84,787.52-117,007.28-52,974.92

Finding the Fourth Proportional to 84,787.52, 117,007.28 and 52,974.92

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Solution

The fourth proportional to 84,787.52, 117,007.28 and 52,974.92 is: 73,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,787.52 : 117,007.28 = 52,974.92 : x
  2. Step 2: Convert to fraction form
    84,787.52/117,007.28 = 52,974.92/x
  3. Step 3: Cross multiply
    84,787.52x = 117,007.28 × 52,974.92
  4. Step 4: Simplify right side
    84,787.52x = 6,198,451,297.42
  5. Step 5: Solve for x
    x = 6,198,451,297.42/84,787.52
  6. Step 6: Final answer
    x = 73,105.70

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1.5x scale

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.