Home / 92,031.16-138,026.22-35,872.78

Finding the Fourth Proportional to 92,031.16, 138,026.22 and 35,872.78

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Solution

The fourth proportional to 92,031.16, 138,026.22 and 35,872.78 is: 53,801.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,031.16 : 138,026.22 = 35,872.78 : x
  2. Step 2: Convert to fraction form
    92,031.16/138,026.22 = 35,872.78/x
  3. Step 3: Cross multiply
    92,031.16x = 138,026.22 × 35,872.78
  4. Step 4: Simplify right side
    92,031.16x = 4,951,384,224.29
  5. Step 5: Solve for x
    x = 4,951,384,224.29/92,031.16
  6. Step 6: Final answer
    x = 53,801.17

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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.