Home / 89,189.28-123,076.08-48,895.20

Finding the Fourth Proportional to 89,189.28, 123,076.08 and 48,895.20

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Solution

The fourth proportional to 89,189.28, 123,076.08 and 48,895.20 is: 67,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,189.28 : 123,076.08 = 48,895.20 : x
  2. Step 2: Convert to fraction form
    89,189.28/123,076.08 = 48,895.20/x
  3. Step 3: Cross multiply
    89,189.28x = 123,076.08 × 48,895.20
  4. Step 4: Simplify right side
    89,189.28x = 6,017,829,546.82
  5. Step 5: Solve for x
    x = 6,017,829,546.82/89,189.28
  6. Step 6: Final answer
    x = 67,472.57

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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.