Home / 87,268.32-130,731.17-57,595.59

Finding the Fourth Proportional to 87,268.32, 130,731.17 and 57,595.59

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Solution

The fourth proportional to 87,268.32, 130,731.17 and 57,595.59 is: 86,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,268.32 : 130,731.17 = 57,595.59 : x
  2. Step 2: Convert to fraction form
    87,268.32/130,731.17 = 57,595.59/x
  3. Step 3: Cross multiply
    87,268.32x = 130,731.17 × 57,595.59
  4. Step 4: Simplify right side
    87,268.32x = 7,529,538,579.56
  5. Step 5: Solve for x
    x = 7,529,538,579.56/87,268.32
  6. Step 6: Final answer
    x = 86,280.32

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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.