Home / 68,049.47-93,855.93-60,400.64

Finding the Fourth Proportional to 68,049.47, 93,855.93 and 60,400.64

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Solution

The fourth proportional to 68,049.47, 93,855.93 and 60,400.64 is: 83,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,049.47 : 93,855.93 = 60,400.64 : x
  2. Step 2: Convert to fraction form
    68,049.47/93,855.93 = 60,400.64/x
  3. Step 3: Cross multiply
    68,049.47x = 93,855.93 × 60,400.64
  4. Step 4: Simplify right side
    68,049.47x = 5,668,958,239.80
  5. Step 5: Solve for x
    x = 5,668,958,239.80/68,049.47
  6. Step 6: Final answer
    x = 83,306.43

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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.