Home / 90,067.52-124,299.60-49,780.41

Finding the Fourth Proportional to 90,067.52, 124,299.60 and 49,780.41

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Solution

The fourth proportional to 90,067.52, 124,299.60 and 49,780.41 is: 68,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,067.52 : 124,299.60 = 49,780.41 : x
  2. Step 2: Convert to fraction form
    90,067.52/124,299.60 = 49,780.41/x
  3. Step 3: Cross multiply
    90,067.52x = 124,299.60 × 49,780.41
  4. Step 4: Simplify right side
    90,067.52x = 6,187,685,050.84
  5. Step 5: Solve for x
    x = 6,187,685,050.84/90,067.52
  6. Step 6: Final answer
    x = 68,700.52

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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.