Home / 63,899.42-88,218.87-40,058.78

Finding the Fourth Proportional to 63,899.42, 88,218.87 and 40,058.78

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Solution

The fourth proportional to 63,899.42, 88,218.87 and 40,058.78 is: 55,304.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,899.42 : 88,218.87 = 40,058.78 : x
  2. Step 2: Convert to fraction form
    63,899.42/88,218.87 = 40,058.78/x
  3. Step 3: Cross multiply
    63,899.42x = 88,218.87 × 40,058.78
  4. Step 4: Simplify right side
    63,899.42x = 3,533,940,305.18
  5. Step 5: Solve for x
    x = 3,533,940,305.18/63,899.42
  6. Step 6: Final answer
    x = 55,304.73

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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.