Home / 97,723.60-146,585.40-73,147.60

Finding the Fourth Proportional to 97,723.60, 146,585.40 and 73,147.60

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Solution

The fourth proportional to 97,723.60, 146,585.40 and 73,147.60 is: 109,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,723.60 : 146,585.40 = 73,147.60 : x
  2. Step 2: Convert to fraction form
    97,723.60/146,585.40 = 73,147.60/x
  3. Step 3: Cross multiply
    97,723.60x = 146,585.40 × 73,147.60
  4. Step 4: Simplify right side
    97,723.60x = 10,722,370,205.04
  5. Step 5: Solve for x
    x = 10,722,370,205.04/97,723.60
  6. Step 6: Final answer
    x = 109,721.40

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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.