Home / 75,756.95-104,545.25-41,766.63

Finding the Fourth Proportional to 75,756.95, 104,545.25 and 41,766.63

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Solution

The fourth proportional to 75,756.95, 104,545.25 and 41,766.63 is: 57,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,756.95 : 104,545.25 = 41,766.63 : x
  2. Step 2: Convert to fraction form
    75,756.95/104,545.25 = 41,766.63/x
  3. Step 3: Cross multiply
    75,756.95x = 104,545.25 × 41,766.63
  4. Step 4: Simplify right side
    75,756.95x = 4,366,502,566.17
  5. Step 5: Solve for x
    x = 4,366,502,566.17/75,756.95
  6. Step 6: Final answer
    x = 57,638.31

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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.