Home / 87,953.82-121,355.14-52,152.64

Finding the Fourth Proportional to 87,953.82, 121,355.14 and 52,152.64

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Solution

The fourth proportional to 87,953.82, 121,355.14 and 52,152.64 is: 71,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,953.82 : 121,355.14 = 52,152.64 : x
  2. Step 2: Convert to fraction form
    87,953.82/121,355.14 = 52,152.64/x
  3. Step 3: Cross multiply
    87,953.82x = 121,355.14 × 52,152.64
  4. Step 4: Simplify right side
    87,953.82x = 6,328,990,928.57
  5. Step 5: Solve for x
    x = 6,328,990,928.57/87,953.82
  6. Step 6: Final answer
    x = 71,958.11

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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.