Home / 75,298.32-103,912.47-41,306.87

Finding the Fourth Proportional to 75,298.32, 103,912.47 and 41,306.87

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Solution

The fourth proportional to 75,298.32, 103,912.47 and 41,306.87 is: 57,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,298.32 : 103,912.47 = 41,306.87 : x
  2. Step 2: Convert to fraction form
    75,298.32/103,912.47 = 41,306.87/x
  3. Step 3: Cross multiply
    75,298.32x = 103,912.47 × 41,306.87
  4. Step 4: Simplify right side
    75,298.32x = 4,292,298,370.11
  5. Step 5: Solve for x
    x = 4,292,298,370.11/75,298.32
  6. Step 6: Final answer
    x = 57,003.91

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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.