Home / 90,352.26-124,734.46-57,679.53

Finding the Fourth Proportional to 90,352.26, 124,734.46 and 57,679.53

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Solution

The fourth proportional to 90,352.26, 124,734.46 and 57,679.53 is: 79,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,352.26 : 124,734.46 = 57,679.53 : x
  2. Step 2: Convert to fraction form
    90,352.26/124,734.46 = 57,679.53/x
  3. Step 3: Cross multiply
    90,352.26x = 124,734.46 × 57,679.53
  4. Step 4: Simplify right side
    90,352.26x = 7,194,625,647.47
  5. Step 5: Solve for x
    x = 7,194,625,647.47/90,352.26
  6. Step 6: Final answer
    x = 79,628.62

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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.