Home / 87,043.64-130,539.44-26,251.36

Finding the Fourth Proportional to 87,043.64, 130,539.44 and 26,251.36

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Solution

The fourth proportional to 87,043.64, 130,539.44 and 26,251.36 is: 39,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,043.64 : 130,539.44 = 26,251.36 : x
  2. Step 2: Convert to fraction form
    87,043.64/130,539.44 = 26,251.36/x
  3. Step 3: Cross multiply
    87,043.64x = 130,539.44 × 26,251.36
  4. Step 4: Simplify right side
    87,043.64x = 3,426,837,833.64
  5. Step 5: Solve for x
    x = 3,426,837,833.64/87,043.64
  6. Step 6: Final answer
    x = 39,369.19

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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.