Home / 87,053.17-130,579.80-57,464.09

Finding the Fourth Proportional to 87,053.17, 130,579.80 and 57,464.09

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Solution

The fourth proportional to 87,053.17, 130,579.80 and 57,464.09 is: 86,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,053.17 : 130,579.80 = 57,464.09 : x
  2. Step 2: Convert to fraction form
    87,053.17/130,579.80 = 57,464.09/x
  3. Step 3: Cross multiply
    87,053.17x = 130,579.80 × 57,464.09
  4. Step 4: Simplify right side
    87,053.17x = 7,503,649,379.38
  5. Step 5: Solve for x
    x = 7,503,649,379.38/87,053.17
  6. Step 6: Final answer
    x = 86,196.16

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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.