Home / 73,910.16-110,865.85-31,787.32

Finding the Fourth Proportional to 73,910.16, 110,865.85 and 31,787.32

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Solution

The fourth proportional to 73,910.16, 110,865.85 and 31,787.32 is: 47,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,910.16 : 110,865.85 = 31,787.32 : x
  2. Step 2: Convert to fraction form
    73,910.16/110,865.85 = 31,787.32/x
  3. Step 3: Cross multiply
    73,910.16x = 110,865.85 × 31,787.32
  4. Step 4: Simplify right side
    73,910.16x = 3,524,128,251.02
  5. Step 5: Solve for x
    x = 3,524,128,251.02/73,910.16
  6. Step 6: Final answer
    x = 47,681.24

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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.