Home / 87,824.16-121,197.54-47,538.27

Finding the Fourth Proportional to 87,824.16, 121,197.54 and 47,538.27

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Solution

The fourth proportional to 87,824.16, 121,197.54 and 47,538.27 is: 65,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,824.16 : 121,197.54 = 47,538.27 : x
  2. Step 2: Convert to fraction form
    87,824.16/121,197.54 = 47,538.27/x
  3. Step 3: Cross multiply
    87,824.16x = 121,197.54 × 47,538.27
  4. Step 4: Simplify right side
    87,824.16x = 5,761,521,682.85
  5. Step 5: Solve for x
    x = 5,761,521,682.85/87,824.16
  6. Step 6: Final answer
    x = 65,602.92

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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.