Home / 67,418.24-93,041.43-38,747.09

Finding the Fourth Proportional to 67,418.24, 93,041.43 and 38,747.09

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Solution

The fourth proportional to 67,418.24, 93,041.43 and 38,747.09 is: 53,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,418.24 : 93,041.43 = 38,747.09 : x
  2. Step 2: Convert to fraction form
    67,418.24/93,041.43 = 38,747.09/x
  3. Step 3: Cross multiply
    67,418.24x = 93,041.43 × 38,747.09
  4. Step 4: Simplify right side
    67,418.24x = 3,605,084,661.94
  5. Step 5: Solve for x
    x = 3,605,084,661.94/67,418.24
  6. Step 6: Final answer
    x = 53,473.43

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1.5x scale

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.