Home / 89,370.80-123,331.98-48,535.04

Finding the Fourth Proportional to 89,370.80, 123,331.98 and 48,535.04

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Solution

The fourth proportional to 89,370.80, 123,331.98 and 48,535.04 is: 66,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,370.80 : 123,331.98 = 48,535.04 : x
  2. Step 2: Convert to fraction form
    89,370.80/123,331.98 = 48,535.04/x
  3. Step 3: Cross multiply
    89,370.80x = 123,331.98 × 48,535.04
  4. Step 4: Simplify right side
    89,370.80x = 5,985,922,582.58
  5. Step 5: Solve for x
    x = 5,985,922,582.58/89,370.80
  6. Step 6: Final answer
    x = 66,978.51

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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.