Home / 75,123.17-103,674.97-43,294.12

Finding the Fourth Proportional to 75,123.17, 103,674.97 and 43,294.12

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Solution

The fourth proportional to 75,123.17, 103,674.97 and 43,294.12 is: 59,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,123.17 : 103,674.97 = 43,294.12 : x
  2. Step 2: Convert to fraction form
    75,123.17/103,674.97 = 43,294.12/x
  3. Step 3: Cross multiply
    75,123.17x = 103,674.97 × 43,294.12
  4. Step 4: Simplify right side
    75,123.17x = 4,488,516,073.80
  5. Step 5: Solve for x
    x = 4,488,516,073.80/75,123.17
  6. Step 6: Final answer
    x = 59,748.76

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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.