Home / 77,994.57-117,006.44-31,251.09

Finding the Fourth Proportional to 77,994.57, 117,006.44 and 31,251.09

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Solution

The fourth proportional to 77,994.57, 117,006.44 and 31,251.09 is: 46,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,994.57 : 117,006.44 = 31,251.09 : x
  2. Step 2: Convert to fraction form
    77,994.57/117,006.44 = 31,251.09/x
  3. Step 3: Cross multiply
    77,994.57x = 117,006.44 × 31,251.09
  4. Step 4: Simplify right side
    77,994.57x = 3,656,578,787.02
  5. Step 5: Solve for x
    x = 3,656,578,787.02/77,994.57
  6. Step 6: Final answer
    x = 46,882.48

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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.