Home / 89,489.48-123,479.40-50,727.42

Finding the Fourth Proportional to 89,489.48, 123,479.40 and 50,727.42

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Solution

The fourth proportional to 89,489.48, 123,479.40 and 50,727.42 is: 69,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,489.48 : 123,479.40 = 50,727.42 : x
  2. Step 2: Convert to fraction form
    89,489.48/123,479.40 = 50,727.42/x
  3. Step 3: Cross multiply
    89,489.48x = 123,479.40 × 50,727.42
  4. Step 4: Simplify right side
    89,489.48x = 6,263,791,385.15
  5. Step 5: Solve for x
    x = 6,263,791,385.15/89,489.48
  6. Step 6: Final answer
    x = 69,994.73

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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.