Home / 90,289.28-124,589.73-50,001.98

Finding the Fourth Proportional to 90,289.28, 124,589.73 and 50,001.98

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Solution

The fourth proportional to 90,289.28, 124,589.73 and 50,001.98 is: 68,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,289.28 : 124,589.73 = 50,001.98 : x
  2. Step 2: Convert to fraction form
    90,289.28/124,589.73 = 50,001.98/x
  3. Step 3: Cross multiply
    90,289.28x = 124,589.73 × 50,001.98
  4. Step 4: Simplify right side
    90,289.28x = 6,229,733,187.67
  5. Step 5: Solve for x
    x = 6,229,733,187.67/90,289.28
  6. Step 6: Final answer
    x = 68,997.48

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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.