Home / 75,123.11-103,669.91-41,133.75

Finding the Fourth Proportional to 75,123.11, 103,669.91 and 41,133.75

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Solution

The fourth proportional to 75,123.11, 103,669.91 and 41,133.75 is: 56,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,123.11 : 103,669.91 = 41,133.75 : x
  2. Step 2: Convert to fraction form
    75,123.11/103,669.91 = 41,133.75/x
  3. Step 3: Cross multiply
    75,123.11x = 103,669.91 × 41,133.75
  4. Step 4: Simplify right side
    75,123.11x = 4,264,332,160.46
  5. Step 5: Solve for x
    x = 4,264,332,160.46/75,123.11
  6. Step 6: Final answer
    x = 56,764.58

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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.