Home / 89,237.25-123,147.45-49,493.25

Finding the Fourth Proportional to 89,237.25, 123,147.45 and 49,493.25

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Solution

The fourth proportional to 89,237.25, 123,147.45 and 49,493.25 is: 68,300.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,237.25 : 123,147.45 = 49,493.25 : x
  2. Step 2: Convert to fraction form
    89,237.25/123,147.45 = 49,493.25/x
  3. Step 3: Cross multiply
    89,237.25x = 123,147.45 × 49,493.25
  4. Step 4: Simplify right side
    89,237.25x = 6,094,967,529.71
  5. Step 5: Solve for x
    x = 6,094,967,529.71/89,237.25
  6. Step 6: Final answer
    x = 68,300.71

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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.