Home / 75,756.83-104,545.15-41,766.56

Finding the Fourth Proportional to 75,756.83, 104,545.15 and 41,766.56

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Solution

The fourth proportional to 75,756.83, 104,545.15 and 41,766.56 is: 57,638.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,756.83 : 104,545.15 = 41,766.56 : x
  2. Step 2: Convert to fraction form
    75,756.83/104,545.15 = 41,766.56/x
  3. Step 3: Cross multiply
    75,756.83x = 104,545.15 × 41,766.56
  4. Step 4: Simplify right side
    75,756.83x = 4,366,491,280.18
  5. Step 5: Solve for x
    x = 4,366,491,280.18/75,756.83
  6. Step 6: Final answer
    x = 57,638.25

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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.