Home / 87,050.97-130,567.71-27,870.75

Finding the Fourth Proportional to 87,050.97, 130,567.71 and 27,870.75

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Solution

The fourth proportional to 87,050.97, 130,567.71 and 27,870.75 is: 41,803.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,050.97 : 130,567.71 = 27,870.75 : x
  2. Step 2: Convert to fraction form
    87,050.97/130,567.71 = 27,870.75/x
  3. Step 3: Cross multiply
    87,050.97x = 130,567.71 × 27,870.75
  4. Step 4: Simplify right side
    87,050.97x = 3,639,020,003.48
  5. Step 5: Solve for x
    x = 3,639,020,003.48/87,050.97
  6. Step 6: Final answer
    x = 41,803.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.