Home / 73,212.18-109,703.40-43,613.83

Finding the Fourth Proportional to 73,212.18, 109,703.40 and 43,613.83

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Solution

The fourth proportional to 73,212.18, 109,703.40 and 43,613.83 is: 65,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,212.18 : 109,703.40 = 43,613.83 : x
  2. Step 2: Convert to fraction form
    73,212.18/109,703.40 = 43,613.83/x
  3. Step 3: Cross multiply
    73,212.18x = 109,703.40 × 43,613.83
  4. Step 4: Simplify right side
    73,212.18x = 4,784,585,438.02
  5. Step 5: Solve for x
    x = 4,784,585,438.02/73,212.18
  6. Step 6: Final answer
    x = 65,352.31

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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.