Home / 75,123.78-103,671.05-41,132.56

Finding the Fourth Proportional to 75,123.78, 103,671.05 and 41,132.56

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Solution

The fourth proportional to 75,123.78, 103,671.05 and 41,132.56 is: 56,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,123.78 : 103,671.05 = 41,132.56 : x
  2. Step 2: Convert to fraction form
    75,123.78/103,671.05 = 41,132.56/x
  3. Step 3: Cross multiply
    75,123.78x = 103,671.05 × 41,132.56
  4. Step 4: Simplify right side
    75,123.78x = 4,264,255,684.39
  5. Step 5: Solve for x
    x = 4,264,255,684.39/75,123.78
  6. Step 6: Final answer
    x = 56,763.06

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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.