Home / 87,107.82-130,674.72-30,943.23

Finding the Fourth Proportional to 87,107.82, 130,674.72 and 30,943.23

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Solution

The fourth proportional to 87,107.82, 130,674.72 and 30,943.23 is: 46,419.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,107.82 : 130,674.72 = 30,943.23 : x
  2. Step 2: Convert to fraction form
    87,107.82/130,674.72 = 30,943.23/x
  3. Step 3: Cross multiply
    87,107.82x = 130,674.72 × 30,943.23
  4. Step 4: Simplify right side
    87,107.82x = 4,043,497,916.15
  5. Step 5: Solve for x
    x = 4,043,497,916.15/87,107.82
  6. Step 6: Final answer
    x = 46,419.46

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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.