Home / 90,575.62-124,998.27-50,289.38

Finding the Fourth Proportional to 90,575.62, 124,998.27 and 50,289.38

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Solution

The fourth proportional to 90,575.62, 124,998.27 and 50,289.38 is: 69,401.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,575.62 : 124,998.27 = 50,289.38 : x
  2. Step 2: Convert to fraction form
    90,575.62/124,998.27 = 50,289.38/x
  3. Step 3: Cross multiply
    90,575.62x = 124,998.27 × 50,289.38
  4. Step 4: Simplify right side
    90,575.62x = 6,286,085,857.65
  5. Step 5: Solve for x
    x = 6,286,085,857.65/90,575.62
  6. Step 6: Final answer
    x = 69,401.52

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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.