Home / 87,592.58-120,878.68-49,869.26

Finding the Fourth Proportional to 87,592.58, 120,878.68 and 49,869.26

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Solution

The fourth proportional to 87,592.58, 120,878.68 and 49,869.26 is: 68,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,592.58 : 120,878.68 = 49,869.26 : x
  2. Step 2: Convert to fraction form
    87,592.58/120,878.68 = 49,869.26/x
  3. Step 3: Cross multiply
    87,592.58x = 120,878.68 × 49,869.26
  4. Step 4: Simplify right side
    87,592.58x = 6,028,130,321.38
  5. Step 5: Solve for x
    x = 6,028,130,321.38/87,592.58
  6. Step 6: Final answer
    x = 68,820.10

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1.5x scale

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.