Home / 87,208.76-130,826.37-37,289

Finding the Fourth Proportional to 87,208.76, 130,826.37 and 37,289

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Solution

The fourth proportional to 87,208.76, 130,826.37 and 37,289 is: 55,939.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,208.76 : 130,826.37 = 37,289 : x
  2. Step 2: Convert to fraction form
    87,208.76/130,826.37 = 37,289/x
  3. Step 3: Cross multiply
    87,208.76x = 130,826.37 × 37,289
  4. Step 4: Simplify right side
    87,208.76x = 4,878,384,510.93
  5. Step 5: Solve for x
    x = 4,878,384,510.93/87,208.76
  6. Step 6: Final answer
    x = 55,939.16

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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.