Home / 87,815.52-121,184.37-47,528.33

Finding the Fourth Proportional to 87,815.52, 121,184.37 and 47,528.33

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Solution

The fourth proportional to 87,815.52, 121,184.37 and 47,528.33 is: 65,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,815.52 : 121,184.37 = 47,528.33 : x
  2. Step 2: Convert to fraction form
    87,815.52/121,184.37 = 47,528.33/x
  3. Step 3: Cross multiply
    87,815.52x = 121,184.37 × 47,528.33
  4. Step 4: Simplify right side
    87,815.52x = 5,759,690,122.28
  5. Step 5: Solve for x
    x = 5,759,690,122.28/87,815.52
  6. Step 6: Final answer
    x = 65,588.52

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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.