Home / 68,177.38-94,058.64-42,323.80

Finding the Fourth Proportional to 68,177.38, 94,058.64 and 42,323.80

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Solution

The fourth proportional to 68,177.38, 94,058.64 and 42,323.80 is: 58,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,177.38 : 94,058.64 = 42,323.80 : x
  2. Step 2: Convert to fraction form
    68,177.38/94,058.64 = 42,323.80/x
  3. Step 3: Cross multiply
    68,177.38x = 94,058.64 × 42,323.80
  4. Step 4: Simplify right side
    68,177.38x = 3,980,919,067.63
  5. Step 5: Solve for x
    x = 3,980,919,067.63/68,177.38
  6. Step 6: Final answer
    x = 58,390.61

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1.5x scale

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.