Home / 90,448.25-135,650.90-37,125.95

Finding the Fourth Proportional to 90,448.25, 135,650.90 and 37,125.95

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Solution

The fourth proportional to 90,448.25, 135,650.90 and 37,125.95 is: 55,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,448.25 : 135,650.90 = 37,125.95 : x
  2. Step 2: Convert to fraction form
    90,448.25/135,650.90 = 37,125.95/x
  3. Step 3: Cross multiply
    90,448.25x = 135,650.90 × 37,125.95
  4. Step 4: Simplify right side
    90,448.25x = 5,036,167,945.42
  5. Step 5: Solve for x
    x = 5,036,167,945.42/90,448.25
  6. Step 6: Final answer
    x = 55,680.11

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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.