Home / 106,613.11-147,125.13-58,865.42

Finding the Fourth Proportional to 106,613.11, 147,125.13 and 58,865.42

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Solution

The fourth proportional to 106,613.11, 147,125.13 and 58,865.42 is: 81,233.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,613.11 : 147,125.13 = 58,865.42 : x
  2. Step 2: Convert to fraction form
    106,613.11/147,125.13 = 58,865.42/x
  3. Step 3: Cross multiply
    106,613.11x = 147,125.13 × 58,865.42
  4. Step 4: Simplify right side
    106,613.11x = 8,660,582,570.00
  5. Step 5: Solve for x
    x = 8,660,582,570.00/106,613.11
  6. Step 6: Final answer
    x = 81,233.75

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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.