Home / 77,270.61-115,863.33-23,947.80

Finding the Fourth Proportional to 77,270.61, 115,863.33 and 23,947.80

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Solution

The fourth proportional to 77,270.61, 115,863.33 and 23,947.80 is: 35,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,270.61 : 115,863.33 = 23,947.80 : x
  2. Step 2: Convert to fraction form
    77,270.61/115,863.33 = 23,947.80/x
  3. Step 3: Cross multiply
    77,270.61x = 115,863.33 × 23,947.80
  4. Step 4: Simplify right side
    77,270.61x = 2,774,672,026.52
  5. Step 5: Solve for x
    x = 2,774,672,026.52/77,270.61
  6. Step 6: Final answer
    x = 35,908.51

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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.