Home / 87,815.37-121,184.26-47,528.27

Finding the Fourth Proportional to 87,815.37, 121,184.26 and 47,528.27

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Solution

The fourth proportional to 87,815.37, 121,184.26 and 47,528.27 is: 65,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,815.37 : 121,184.26 = 47,528.27 : x
  2. Step 2: Convert to fraction form
    87,815.37/121,184.26 = 47,528.27/x
  3. Step 3: Cross multiply
    87,815.37x = 121,184.26 × 47,528.27
  4. Step 4: Simplify right side
    87,815.37x = 5,759,677,504.29
  5. Step 5: Solve for x
    x = 5,759,677,504.29/87,815.37
  6. Step 6: Final answer
    x = 65,588.49

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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.