Home / 90,288.36-124,595.82-50,000.04

Finding the Fourth Proportional to 90,288.36, 124,595.82 and 50,000.04

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Solution

The fourth proportional to 90,288.36, 124,595.82 and 50,000.04 is: 68,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,288.36 : 124,595.82 = 50,000.04 : x
  2. Step 2: Convert to fraction form
    90,288.36/124,595.82 = 50,000.04/x
  3. Step 3: Cross multiply
    90,288.36x = 124,595.82 × 50,000.04
  4. Step 4: Simplify right side
    90,288.36x = 6,229,795,983.83
  5. Step 5: Solve for x
    x = 6,229,795,983.83/90,288.36
  6. Step 6: Final answer
    x = 68,998.88

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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.