Home / 87,815.43-121,184.37-47,528.37

Finding the Fourth Proportional to 87,815.43, 121,184.37 and 47,528.37

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Solution

The fourth proportional to 87,815.43, 121,184.37 and 47,528.37 is: 65,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,815.43 : 121,184.37 = 47,528.37 : x
  2. Step 2: Convert to fraction form
    87,815.43/121,184.37 = 47,528.37/x
  3. Step 3: Cross multiply
    87,815.43x = 121,184.37 × 47,528.37
  4. Step 4: Simplify right side
    87,815.43x = 5,759,695,575.58
  5. Step 5: Solve for x
    x = 5,759,695,575.58/87,815.43
  6. Step 6: Final answer
    x = 65,588.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.