Home / 88,249.74-121,785.43-47,963.59

Finding the Fourth Proportional to 88,249.74, 121,785.43 and 47,963.59

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Solution

The fourth proportional to 88,249.74, 121,785.43 and 47,963.59 is: 66,190.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,249.74 : 121,785.43 = 47,963.59 : x
  2. Step 2: Convert to fraction form
    88,249.74/121,785.43 = 47,963.59/x
  3. Step 3: Cross multiply
    88,249.74x = 121,785.43 × 47,963.59
  4. Step 4: Simplify right side
    88,249.74x = 5,841,266,432.49
  5. Step 5: Solve for x
    x = 5,841,266,432.49/88,249.74
  6. Step 6: Final answer
    x = 66,190.19

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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.