Home / 90,067.27-124,259.95-69,377.03

Finding the Fourth Proportional to 90,067.27, 124,259.95 and 69,377.03

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Solution

The fourth proportional to 90,067.27, 124,259.95 and 69,377.03 is: 95,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,067.27 : 124,259.95 = 69,377.03 : x
  2. Step 2: Convert to fraction form
    90,067.27/124,259.95 = 69,377.03/x
  3. Step 3: Cross multiply
    90,067.27x = 124,259.95 × 69,377.03
  4. Step 4: Simplify right side
    90,067.27x = 8,620,786,364.70
  5. Step 5: Solve for x
    x = 8,620,786,364.70/90,067.27
  6. Step 6: Final answer
    x = 95,714.98

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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.