Home / 87,124.14-120,268.01-58,868.10

Finding the Fourth Proportional to 87,124.14, 120,268.01 and 58,868.10

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Solution

The fourth proportional to 87,124.14, 120,268.01 and 58,868.10 is: 81,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,124.14 : 120,268.01 = 58,868.10 : x
  2. Step 2: Convert to fraction form
    87,124.14/120,268.01 = 58,868.10/x
  3. Step 3: Cross multiply
    87,124.14x = 120,268.01 × 58,868.10
  4. Step 4: Simplify right side
    87,124.14x = 7,079,949,386.65
  5. Step 5: Solve for x
    x = 7,079,949,386.65/87,124.14
  6. Step 6: Final answer
    x = 81,262.78

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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.