Home / 75,472.38-104,146.77-41,480.10

Finding the Fourth Proportional to 75,472.38, 104,146.77 and 41,480.10

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Solution

The fourth proportional to 75,472.38, 104,146.77 and 41,480.10 is: 57,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,472.38 : 104,146.77 = 41,480.10 : x
  2. Step 2: Convert to fraction form
    75,472.38/104,146.77 = 41,480.10/x
  3. Step 3: Cross multiply
    75,472.38x = 104,146.77 × 41,480.10
  4. Step 4: Simplify right side
    75,472.38x = 4,320,018,434.28
  5. Step 5: Solve for x
    x = 4,320,018,434.28/75,472.38
  6. Step 6: Final answer
    x = 57,239.73

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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.