Home / 106,542.25-147,031.83-58,146.82

Finding the Fourth Proportional to 106,542.25, 147,031.83 and 58,146.82

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Solution

The fourth proportional to 106,542.25, 147,031.83 and 58,146.82 is: 80,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,542.25 : 147,031.83 = 58,146.82 : x
  2. Step 2: Convert to fraction form
    106,542.25/147,031.83 = 58,146.82/x
  3. Step 3: Cross multiply
    106,542.25x = 147,031.83 × 58,146.82
  4. Step 4: Simplify right side
    106,542.25x = 8,549,432,985.70
  5. Step 5: Solve for x
    x = 8,549,432,985.70/106,542.25
  6. Step 6: Final answer
    x = 80,244.53

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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.