Home / 87,973.27-121,396.92-49,734.58

Finding the Fourth Proportional to 87,973.27, 121,396.92 and 49,734.58

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Solution

The fourth proportional to 87,973.27, 121,396.92 and 49,734.58 is: 68,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,973.27 : 121,396.92 = 49,734.58 : x
  2. Step 2: Convert to fraction form
    87,973.27/121,396.92 = 49,734.58/x
  3. Step 3: Cross multiply
    87,973.27x = 121,396.92 × 49,734.58
  4. Step 4: Simplify right side
    87,973.27x = 6,037,624,829.49
  5. Step 5: Solve for x
    x = 6,037,624,829.49/87,973.27
  6. Step 6: Final answer
    x = 68,630.22

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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.