Home / 89,548.11-123,579.41-49,263.57

Finding the Fourth Proportional to 89,548.11, 123,579.41 and 49,263.57

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Solution

The fourth proportional to 89,548.11, 123,579.41 and 49,263.57 is: 67,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,548.11 : 123,579.41 = 49,263.57 : x
  2. Step 2: Convert to fraction form
    89,548.11/123,579.41 = 49,263.57/x
  3. Step 3: Cross multiply
    89,548.11x = 123,579.41 × 49,263.57
  4. Step 4: Simplify right side
    89,548.11x = 6,087,962,668.78
  5. Step 5: Solve for x
    x = 6,087,962,668.78/89,548.11
  6. Step 6: Final answer
    x = 67,985.38

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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.