Home / 87,014.07-130,579.43-55,871.19

Finding the Fourth Proportional to 87,014.07, 130,579.43 and 55,871.19

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Solution

The fourth proportional to 87,014.07, 130,579.43 and 55,871.19 is: 83,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,014.07 : 130,579.43 = 55,871.19 : x
  2. Step 2: Convert to fraction form
    87,014.07/130,579.43 = 55,871.19/x
  3. Step 3: Cross multiply
    87,014.07x = 130,579.43 × 55,871.19
  4. Step 4: Simplify right side
    87,014.07x = 7,295,627,864.27
  5. Step 5: Solve for x
    x = 7,295,627,864.27/87,014.07
  6. Step 6: Final answer
    x = 83,844.23

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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.