Home / 68,786.19-94,921.61-38,574.81

Finding the Fourth Proportional to 68,786.19, 94,921.61 and 38,574.81

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Solution

The fourth proportional to 68,786.19, 94,921.61 and 38,574.81 is: 53,231.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,786.19 : 94,921.61 = 38,574.81 : x
  2. Step 2: Convert to fraction form
    68,786.19/94,921.61 = 38,574.81/x
  3. Step 3: Cross multiply
    68,786.19x = 94,921.61 × 38,574.81
  4. Step 4: Simplify right side
    68,786.19x = 3,661,582,877.77
  5. Step 5: Solve for x
    x = 3,661,582,877.77/68,786.19
  6. Step 6: Final answer
    x = 53,231.37

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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.