Home / 106,261.74-146,642.16-58,516.80

Finding the Fourth Proportional to 106,261.74, 146,642.16 and 58,516.80

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Solution

The fourth proportional to 106,261.74, 146,642.16 and 58,516.80 is: 80,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,261.74 : 146,642.16 = 58,516.80 : x
  2. Step 2: Convert to fraction form
    106,261.74/146,642.16 = 58,516.80/x
  3. Step 3: Cross multiply
    106,261.74x = 146,642.16 × 58,516.80
  4. Step 4: Simplify right side
    106,261.74x = 8,581,029,948.29
  5. Step 5: Solve for x
    x = 8,581,029,948.29/106,261.74
  6. Step 6: Final answer
    x = 80,753.71

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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.