Home / 75,101.38-103,639.82-41,109.55

Finding the Fourth Proportional to 75,101.38, 103,639.82 and 41,109.55

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Solution

The fourth proportional to 75,101.38, 103,639.82 and 41,109.55 is: 56,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,101.38 : 103,639.82 = 41,109.55 : x
  2. Step 2: Convert to fraction form
    75,101.38/103,639.82 = 41,109.55/x
  3. Step 3: Cross multiply
    75,101.38x = 103,639.82 × 41,109.55
  4. Step 4: Simplify right side
    75,101.38x = 4,260,585,897.63
  5. Step 5: Solve for x
    x = 4,260,585,897.63/75,101.38
  6. Step 6: Final answer
    x = 56,731.13

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1.5x scale

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.