Home / 107,209.13-147,851.75-66,926.61

Finding the Fourth Proportional to 107,209.13, 147,851.75 and 66,926.61

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Solution

The fourth proportional to 107,209.13, 147,851.75 and 66,926.61 is: 92,298.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,209.13 : 147,851.75 = 66,926.61 : x
  2. Step 2: Convert to fraction form
    107,209.13/147,851.75 = 66,926.61/x
  3. Step 3: Cross multiply
    107,209.13x = 147,851.75 × 66,926.61
  4. Step 4: Simplify right side
    107,209.13x = 9,895,216,577.38
  5. Step 5: Solve for x
    x = 9,895,216,577.38/107,209.13
  6. Step 6: Final answer
    x = 92,298.27

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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.