Home / 89,232.48-123,139.98-48,945.44

Finding the Fourth Proportional to 89,232.48, 123,139.98 and 48,945.44

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Solution

The fourth proportional to 89,232.48, 123,139.98 and 48,945.44 is: 67,544.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,232.48 : 123,139.98 = 48,945.44 : x
  2. Step 2: Convert to fraction form
    89,232.48/123,139.98 = 48,945.44/x
  3. Step 3: Cross multiply
    89,232.48x = 123,139.98 × 48,945.44
  4. Step 4: Simplify right side
    89,232.48x = 6,027,140,502.69
  5. Step 5: Solve for x
    x = 6,027,140,502.69/89,232.48
  6. Step 6: Final answer
    x = 67,544.25

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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.