Home / 89,549.34-123,546.30-55,522.65

Finding the Fourth Proportional to 89,549.34, 123,546.30 and 55,522.65

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Solution

The fourth proportional to 89,549.34, 123,546.30 and 55,522.65 is: 76,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,549.34 : 123,546.30 = 55,522.65 : x
  2. Step 2: Convert to fraction form
    89,549.34/123,546.30 = 55,522.65/x
  3. Step 3: Cross multiply
    89,549.34x = 123,546.30 × 55,522.65
  4. Step 4: Simplify right side
    89,549.34x = 6,859,617,973.70
  5. Step 5: Solve for x
    x = 6,859,617,973.70/89,549.34
  6. Step 6: Final answer
    x = 76,601.55

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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.