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Finding the Fourth Proportional to 96,366.40, 132,989.34 and 53,924.02

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Solution

The fourth proportional to 96,366.40, 132,989.34 and 53,924.02 is: 74,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,366.40 : 132,989.34 = 53,924.02 : x
  2. Step 2: Convert to fraction form
    96,366.40/132,989.34 = 53,924.02/x
  3. Step 3: Cross multiply
    96,366.40x = 132,989.34 × 53,924.02
  4. Step 4: Simplify right side
    96,366.40x = 7,171,319,829.95
  5. Step 5: Solve for x
    x = 7,171,319,829.95/96,366.40
  6. Step 6: Final answer
    x = 74,417.22

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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.