Home / 80,537.76-111,139.05-44,730.06

Finding the Fourth Proportional to 80,537.76, 111,139.05 and 44,730.06

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Solution

The fourth proportional to 80,537.76, 111,139.05 and 44,730.06 is: 61,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,537.76 : 111,139.05 = 44,730.06 : x
  2. Step 2: Convert to fraction form
    80,537.76/111,139.05 = 44,730.06/x
  3. Step 3: Cross multiply
    80,537.76x = 111,139.05 × 44,730.06
  4. Step 4: Simplify right side
    80,537.76x = 4,971,256,374.84
  5. Step 5: Solve for x
    x = 4,971,256,374.84/80,537.76
  6. Step 6: Final answer
    x = 61,725.78

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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.