Home / 89,546.02-123,524.40-55,542.76

Finding the Fourth Proportional to 89,546.02, 123,524.40 and 55,542.76

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Solution

The fourth proportional to 89,546.02, 123,524.40 and 55,542.76 is: 76,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,546.02 : 123,524.40 = 55,542.76 : x
  2. Step 2: Convert to fraction form
    89,546.02/123,524.40 = 55,542.76/x
  3. Step 3: Cross multiply
    89,546.02x = 123,524.40 × 55,542.76
  4. Step 4: Simplify right side
    89,546.02x = 6,860,886,103.34
  5. Step 5: Solve for x
    x = 6,860,886,103.34/89,546.02
  6. Step 6: Final answer
    x = 76,618.55

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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.