Home / 87,091.11-120,199.41-48,866.13

Finding the Fourth Proportional to 87,091.11, 120,199.41 and 48,866.13

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Solution

The fourth proportional to 87,091.11, 120,199.41 and 48,866.13 is: 67,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,091.11 : 120,199.41 = 48,866.13 : x
  2. Step 2: Convert to fraction form
    87,091.11/120,199.41 = 48,866.13/x
  3. Step 3: Cross multiply
    87,091.11x = 120,199.41 × 48,866.13
  4. Step 4: Simplify right side
    87,091.11x = 5,873,679,994.98
  5. Step 5: Solve for x
    x = 5,873,679,994.98/87,091.11
  6. Step 6: Final answer
    x = 67,442.93

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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.