Home / 89,781.56-123,895.37-48,944.84

Finding the Fourth Proportional to 89,781.56, 123,895.37 and 48,944.84

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Solution

The fourth proportional to 89,781.56, 123,895.37 and 48,944.84 is: 67,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,781.56 : 123,895.37 = 48,944.84 : x
  2. Step 2: Convert to fraction form
    89,781.56/123,895.37 = 48,944.84/x
  3. Step 3: Cross multiply
    89,781.56x = 123,895.37 × 48,944.84
  4. Step 4: Simplify right side
    89,781.56x = 6,064,039,126.41
  5. Step 5: Solve for x
    x = 6,064,039,126.41/89,781.56
  6. Step 6: Final answer
    x = 67,542.14

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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.