Home / 77,451.04-116,196-38,026.72

Finding the Fourth Proportional to 77,451.04, 116,196 and 38,026.72

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Solution

The fourth proportional to 77,451.04, 116,196 and 38,026.72 is: 57,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,451.04 : 116,196 = 38,026.72 : x
  2. Step 2: Convert to fraction form
    77,451.04/116,196 = 38,026.72/x
  3. Step 3: Cross multiply
    77,451.04x = 116,196 × 38,026.72
  4. Step 4: Simplify right side
    77,451.04x = 4,418,552,757.12
  5. Step 5: Solve for x
    x = 4,418,552,757.12/77,451.04
  6. Step 6: Final answer
    x = 57,049.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.