Home / 102,742.16-154,112.85-27,862.11

Finding the Fourth Proportional to 102,742.16, 154,112.85 and 27,862.11

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Solution

The fourth proportional to 102,742.16, 154,112.85 and 27,862.11 is: 41,793.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,742.16 : 154,112.85 = 27,862.11 : x
  2. Step 2: Convert to fraction form
    102,742.16/154,112.85 = 27,862.11/x
  3. Step 3: Cross multiply
    102,742.16x = 154,112.85 × 27,862.11
  4. Step 4: Simplify right side
    102,742.16x = 4,293,909,179.11
  5. Step 5: Solve for x
    x = 4,293,909,179.11/102,742.16
  6. Step 6: Final answer
    x = 41,793.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.