Home / 75,916.73-113,944.20-40,407.87

Finding the Fourth Proportional to 75,916.73, 113,944.20 and 40,407.87

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Solution

The fourth proportional to 75,916.73, 113,944.20 and 40,407.87 is: 60,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,916.73 : 113,944.20 = 40,407.87 : x
  2. Step 2: Convert to fraction form
    75,916.73/113,944.20 = 40,407.87/x
  3. Step 3: Cross multiply
    75,916.73x = 113,944.20 × 40,407.87
  4. Step 4: Simplify right side
    75,916.73x = 4,604,242,420.85
  5. Step 5: Solve for x
    x = 4,604,242,420.85/75,916.73
  6. Step 6: Final answer
    x = 60,648.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.