Home / 103,631.90-155,371.05-44,419.10

Finding the Fourth Proportional to 103,631.90, 155,371.05 and 44,419.10

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Solution

The fourth proportional to 103,631.90, 155,371.05 and 44,419.10 is: 66,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631.90 : 155,371.05 = 44,419.10 : x
  2. Step 2: Convert to fraction form
    103,631.90/155,371.05 = 44,419.10/x
  3. Step 3: Cross multiply
    103,631.90x = 155,371.05 × 44,419.10
  4. Step 4: Simplify right side
    103,631.90x = 6,901,442,207.06
  5. Step 5: Solve for x
    x = 6,901,442,207.06/103,631.90
  6. Step 6: Final answer
    x = 66,595.73

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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.