Home / 74,513.20-111,525.45-40,727.47

Finding the Fourth Proportional to 74,513.20, 111,525.45 and 40,727.47

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Solution

The fourth proportional to 74,513.20, 111,525.45 and 40,727.47 is: 60,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,513.20 : 111,525.45 = 40,727.47 : x
  2. Step 2: Convert to fraction form
    74,513.20/111,525.45 = 40,727.47/x
  3. Step 3: Cross multiply
    74,513.20x = 111,525.45 × 40,727.47
  4. Step 4: Simplify right side
    74,513.20x = 4,542,148,861.48
  5. Step 5: Solve for x
    x = 4,542,148,861.48/74,513.20
  6. Step 6: Final answer
    x = 60,957.64

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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.