Home / 89,370.30-123,331.29-48,534.54

Finding the Fourth Proportional to 89,370.30, 123,331.29 and 48,534.54

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Solution

The fourth proportional to 89,370.30, 123,331.29 and 48,534.54 is: 66,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,370.30 : 123,331.29 = 48,534.54 : x
  2. Step 2: Convert to fraction form
    89,370.30/123,331.29 = 48,534.54/x
  3. Step 3: Cross multiply
    89,370.30x = 123,331.29 × 48,534.54
  4. Step 4: Simplify right side
    89,370.30x = 5,985,827,427.76
  5. Step 5: Solve for x
    x = 5,985,827,427.76/89,370.30
  6. Step 6: Final answer
    x = 66,977.82

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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.