Home / 112,214.92-168,176.91-45,577

Finding the Fourth Proportional to 112,214.92, 168,176.91 and 45,577

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Solution

The fourth proportional to 112,214.92, 168,176.91 and 45,577 is: 68,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,214.92 : 168,176.91 = 45,577 : x
  2. Step 2: Convert to fraction form
    112,214.92/168,176.91 = 45,577/x
  3. Step 3: Cross multiply
    112,214.92x = 168,176.91 × 45,577
  4. Step 4: Simplify right side
    112,214.92x = 7,664,999,027.07
  5. Step 5: Solve for x
    x = 7,664,999,027.07/112,214.92
  6. Step 6: Final answer
    x = 68,306.42

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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.