Home / 106,437.47-146,876.19-58,689.80

Finding the Fourth Proportional to 106,437.47, 146,876.19 and 58,689.80

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Solution

The fourth proportional to 106,437.47, 146,876.19 and 58,689.80 is: 80,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,437.47 : 146,876.19 = 58,689.80 : x
  2. Step 2: Convert to fraction form
    106,437.47/146,876.19 = 58,689.80/x
  3. Step 3: Cross multiply
    106,437.47x = 146,876.19 × 58,689.80
  4. Step 4: Simplify right side
    106,437.47x = 8,620,134,215.86
  5. Step 5: Solve for x
    x = 8,620,134,215.86/106,437.47
  6. Step 6: Final answer
    x = 80,987.78

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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.