Home / 87,057.86-130,605.61-27,085.19

Finding the Fourth Proportional to 87,057.86, 130,605.61 and 27,085.19

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Solution

The fourth proportional to 87,057.86, 130,605.61 and 27,085.19 is: 40,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,057.86 : 130,605.61 = 27,085.19 : x
  2. Step 2: Convert to fraction form
    87,057.86/130,605.61 = 27,085.19/x
  3. Step 3: Cross multiply
    87,057.86x = 130,605.61 × 27,085.19
  4. Step 4: Simplify right side
    87,057.86x = 3,537,477,761.92
  5. Step 5: Solve for x
    x = 3,537,477,761.92/87,057.86
  6. Step 6: Final answer
    x = 40,633.64

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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.