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Finding the Fourth Proportional to 73,116.52, 100,900.02 and 41,283.52

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Solution

The fourth proportional to 73,116.52, 100,900.02 and 41,283.52 is: 56,970.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,116.52 : 100,900.02 = 41,283.52 : x
  2. Step 2: Convert to fraction form
    73,116.52/100,900.02 = 41,283.52/x
  3. Step 3: Cross multiply
    73,116.52x = 100,900.02 × 41,283.52
  4. Step 4: Simplify right side
    73,116.52x = 4,165,507,993.67
  5. Step 5: Solve for x
    x = 4,165,507,993.67/73,116.52
  6. Step 6: Final answer
    x = 56,970.82

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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.