Home / 87,858.24-131,754.24-31,683.36

Finding the Fourth Proportional to 87,858.24, 131,754.24 and 31,683.36

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Solution

The fourth proportional to 87,858.24, 131,754.24 and 31,683.36 is: 47,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,858.24 : 131,754.24 = 31,683.36 : x
  2. Step 2: Convert to fraction form
    87,858.24/131,754.24 = 31,683.36/x
  3. Step 3: Cross multiply
    87,858.24x = 131,754.24 × 31,683.36
  4. Step 4: Simplify right side
    87,858.24x = 4,174,417,017.45
  5. Step 5: Solve for x
    x = 4,174,417,017.45/87,858.24
  6. Step 6: Final answer
    x = 47,513.10

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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.