Home / 89,208.16-123,110.40-48,922

Finding the Fourth Proportional to 89,208.16, 123,110.40 and 48,922

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Solution

The fourth proportional to 89,208.16, 123,110.40 and 48,922 is: 67,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,208.16 : 123,110.40 = 48,922 : x
  2. Step 2: Convert to fraction form
    89,208.16/123,110.40 = 48,922/x
  3. Step 3: Cross multiply
    89,208.16x = 123,110.40 × 48,922
  4. Step 4: Simplify right side
    89,208.16x = 6,022,806,988.80
  5. Step 5: Solve for x
    x = 6,022,806,988.80/89,208.16
  6. Step 6: Final answer
    x = 67,514.08

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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.