Home / 77,738.67-116,625.02-25,147.40

Finding the Fourth Proportional to 77,738.67, 116,625.02 and 25,147.40

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Solution

The fourth proportional to 77,738.67, 116,625.02 and 25,147.40 is: 37,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,738.67 : 116,625.02 = 25,147.40 : x
  2. Step 2: Convert to fraction form
    77,738.67/116,625.02 = 25,147.40/x
  3. Step 3: Cross multiply
    77,738.67x = 116,625.02 × 25,147.40
  4. Step 4: Simplify right side
    77,738.67x = 2,932,815,319.09
  5. Step 5: Solve for x
    x = 2,932,815,319.09/77,738.67
  6. Step 6: Final answer
    x = 37,726.60

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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.