Home / 89,537.40-123,559-49,251.16

Finding the Fourth Proportional to 89,537.40, 123,559 and 49,251.16

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Solution

The fourth proportional to 89,537.40, 123,559 and 49,251.16 is: 67,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,537.40 : 123,559 = 49,251.16 : x
  2. Step 2: Convert to fraction form
    89,537.40/123,559 = 49,251.16/x
  3. Step 3: Cross multiply
    89,537.40x = 123,559 × 49,251.16
  4. Step 4: Simplify right side
    89,537.40x = 6,085,424,078.44
  5. Step 5: Solve for x
    x = 6,085,424,078.44/89,537.40
  6. Step 6: Final answer
    x = 67,965.16

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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.