Home / 89,273.75-123,197.76-51,034.12

Finding the Fourth Proportional to 89,273.75, 123,197.76 and 51,034.12

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Solution

The fourth proportional to 89,273.75, 123,197.76 and 51,034.12 is: 70,427.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,273.75 : 123,197.76 = 51,034.12 : x
  2. Step 2: Convert to fraction form
    89,273.75/123,197.76 = 51,034.12/x
  3. Step 3: Cross multiply
    89,273.75x = 123,197.76 × 51,034.12
  4. Step 4: Simplify right side
    89,273.75x = 6,287,288,959.58
  5. Step 5: Solve for x
    x = 6,287,288,959.58/89,273.75
  6. Step 6: Final answer
    x = 70,427.08

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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.