Home / 112,265.14-168,251.88-45,627.72

Finding the Fourth Proportional to 112,265.14, 168,251.88 and 45,627.72

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Solution

The fourth proportional to 112,265.14, 168,251.88 and 45,627.72 is: 68,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,265.14 : 168,251.88 = 45,627.72 : x
  2. Step 2: Convert to fraction form
    112,265.14/168,251.88 = 45,627.72/x
  3. Step 3: Cross multiply
    112,265.14x = 168,251.88 × 45,627.72
  4. Step 4: Simplify right side
    112,265.14x = 7,676,949,670.11
  5. Step 5: Solve for x
    x = 7,676,949,670.11/112,265.14
  6. Step 6: Final answer
    x = 68,382.31

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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.