Home / 89,188.20-123,079.23-48,903.66

Finding the Fourth Proportional to 89,188.20, 123,079.23 and 48,903.66

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Solution

The fourth proportional to 89,188.20, 123,079.23 and 48,903.66 is: 67,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,188.20 : 123,079.23 = 48,903.66 : x
  2. Step 2: Convert to fraction form
    89,188.20/123,079.23 = 48,903.66/x
  3. Step 3: Cross multiply
    89,188.20x = 123,079.23 × 48,903.66
  4. Step 4: Simplify right side
    89,188.20x = 6,019,024,816.98
  5. Step 5: Solve for x
    x = 6,019,024,816.98/89,188.20
  6. Step 6: Final answer
    x = 67,486.78

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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.