Home / 87,207.44-120,348.52-48,970.04

Finding the Fourth Proportional to 87,207.44, 120,348.52 and 48,970.04

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Solution

The fourth proportional to 87,207.44, 120,348.52 and 48,970.04 is: 67,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,207.44 : 120,348.52 = 48,970.04 : x
  2. Step 2: Convert to fraction form
    87,207.44/120,348.52 = 48,970.04/x
  3. Step 3: Cross multiply
    87,207.44x = 120,348.52 × 48,970.04
  4. Step 4: Simplify right side
    87,207.44x = 5,893,471,838.34
  5. Step 5: Solve for x
    x = 5,893,471,838.34/87,207.44
  6. Step 6: Final answer
    x = 67,579.92

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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.