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Finding the Fourth Proportional to 96,371.25, 132,990.26 and 53,348.26

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Solution

The fourth proportional to 96,371.25, 132,990.26 and 53,348.26 is: 73,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,371.25 : 132,990.26 = 53,348.26 : x
  2. Step 2: Convert to fraction form
    96,371.25/132,990.26 = 53,348.26/x
  3. Step 3: Cross multiply
    96,371.25x = 132,990.26 × 53,348.26
  4. Step 4: Simplify right side
    96,371.25x = 7,094,798,967.95
  5. Step 5: Solve for x
    x = 7,094,798,967.95/96,371.25
  6. Step 6: Final answer
    x = 73,619.46

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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.