Home / 63,867.66-87,990.48-50,433.96

Finding the Fourth Proportional to 63,867.66, 87,990.48 and 50,433.96

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Solution

The fourth proportional to 63,867.66, 87,990.48 and 50,433.96 is: 69,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,867.66 : 87,990.48 = 50,433.96 : x
  2. Step 2: Convert to fraction form
    63,867.66/87,990.48 = 50,433.96/x
  3. Step 3: Cross multiply
    63,867.66x = 87,990.48 × 50,433.96
  4. Step 4: Simplify right side
    63,867.66x = 4,437,708,348.70
  5. Step 5: Solve for x
    x = 4,437,708,348.70/63,867.66
  6. Step 6: Final answer
    x = 69,482.87

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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.