Home / 75,341.19-103,963.26-45,125.73

Finding the Fourth Proportional to 75,341.19, 103,963.26 and 45,125.73

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Solution

The fourth proportional to 75,341.19, 103,963.26 and 45,125.73 is: 62,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,341.19 : 103,963.26 = 45,125.73 : x
  2. Step 2: Convert to fraction form
    75,341.19/103,963.26 = 45,125.73/x
  3. Step 3: Cross multiply
    75,341.19x = 103,963.26 × 45,125.73
  4. Step 4: Simplify right side
    75,341.19x = 4,691,418,000.68
  5. Step 5: Solve for x
    x = 4,691,418,000.68/75,341.19
  6. Step 6: Final answer
    x = 62,268.97

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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.