Home / 49,700.79-68,571.36-28,186.79

Finding the Fourth Proportional to 49,700.79, 68,571.36 and 28,186.79

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Solution

The fourth proportional to 49,700.79, 68,571.36 and 28,186.79 is: 38,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,700.79 : 68,571.36 = 28,186.79 : x
  2. Step 2: Convert to fraction form
    49,700.79/68,571.36 = 28,186.79/x
  3. Step 3: Cross multiply
    49,700.79x = 68,571.36 × 28,186.79
  4. Step 4: Simplify right side
    49,700.79x = 1,932,806,181.48
  5. Step 5: Solve for x
    x = 1,932,806,181.48/49,700.79
  6. Step 6: Final answer
    x = 38,888.84

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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.