Home / 64,121.61-88,512.54-57,395.37

Finding the Fourth Proportional to 64,121.61, 88,512.54 and 57,395.37

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Solution

The fourth proportional to 64,121.61, 88,512.54 and 57,395.37 is: 79,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,121.61 : 88,512.54 = 57,395.37 : x
  2. Step 2: Convert to fraction form
    64,121.61/88,512.54 = 57,395.37/x
  3. Step 3: Cross multiply
    64,121.61x = 88,512.54 × 57,395.37
  4. Step 4: Simplify right side
    64,121.61x = 5,080,209,982.94
  5. Step 5: Solve for x
    x = 5,080,209,982.94/64,121.61
  6. Step 6: Final answer
    x = 79,227.74

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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.