Home / 87,975.72-121,384.44-52,164

Finding the Fourth Proportional to 87,975.72, 121,384.44 and 52,164

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Solution

The fourth proportional to 87,975.72, 121,384.44 and 52,164 is: 71,973.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,975.72 : 121,384.44 = 52,164 : x
  2. Step 2: Convert to fraction form
    87,975.72/121,384.44 = 52,164/x
  3. Step 3: Cross multiply
    87,975.72x = 121,384.44 × 52,164
  4. Step 4: Simplify right side
    87,975.72x = 6,331,897,928.16
  5. Step 5: Solve for x
    x = 6,331,897,928.16/87,975.72
  6. Step 6: Final answer
    x = 71,973.24

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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.