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Finding the Fourth Proportional to 66,150.55, 98,982.83 and 48,654.55

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Solution

The fourth proportional to 66,150.55, 98,982.83 and 48,654.55 is: 72,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,150.55 : 98,982.83 = 48,654.55 : x
  2. Step 2: Convert to fraction form
    66,150.55/98,982.83 = 48,654.55/x
  3. Step 3: Cross multiply
    66,150.55x = 98,982.83 × 48,654.55
  4. Step 4: Simplify right side
    66,150.55x = 4,815,964,808.10
  5. Step 5: Solve for x
    x = 4,815,964,808.10/66,150.55
  6. Step 6: Final answer
    x = 72,803.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.