Home / 90,044.80-135,067.20-23,484.76

Finding the Fourth Proportional to 90,044.80, 135,067.20 and 23,484.76

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Solution

The fourth proportional to 90,044.80, 135,067.20 and 23,484.76 is: 35,227.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,044.80 : 135,067.20 = 23,484.76 : x
  2. Step 2: Convert to fraction form
    90,044.80/135,067.20 = 23,484.76/x
  3. Step 3: Cross multiply
    90,044.80x = 135,067.20 × 23,484.76
  4. Step 4: Simplify right side
    90,044.80x = 3,172,020,775.87
  5. Step 5: Solve for x
    x = 3,172,020,775.87/90,044.80
  6. Step 6: Final answer
    x = 35,227.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.