Home / 90,840.30-125,358.69-50,553.38

Finding the Fourth Proportional to 90,840.30, 125,358.69 and 50,553.38

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Solution

The fourth proportional to 90,840.30, 125,358.69 and 50,553.38 is: 69,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,840.30 : 125,358.69 = 50,553.38 : x
  2. Step 2: Convert to fraction form
    90,840.30/125,358.69 = 50,553.38/x
  3. Step 3: Cross multiply
    90,840.30x = 125,358.69 × 50,553.38
  4. Step 4: Simplify right side
    90,840.30x = 6,337,304,865.08
  5. Step 5: Solve for x
    x = 6,337,304,865.08/90,840.30
  6. Step 6: Final answer
    x = 69,763.14

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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.