Home / 89,741.58-123,846.48-48,909.11

Finding the Fourth Proportional to 89,741.58, 123,846.48 and 48,909.11

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Solution

The fourth proportional to 89,741.58, 123,846.48 and 48,909.11 is: 67,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,741.58 : 123,846.48 = 48,909.11 : x
  2. Step 2: Convert to fraction form
    89,741.58/123,846.48 = 48,909.11/x
  3. Step 3: Cross multiply
    89,741.58x = 123,846.48 × 48,909.11
  4. Step 4: Simplify right side
    89,741.58x = 6,057,220,972.79
  5. Step 5: Solve for x
    x = 6,057,220,972.79/89,741.58
  6. Step 6: Final answer
    x = 67,496.26

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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.