Home / 68,724.71-94,840.05-38,510.27

Finding the Fourth Proportional to 68,724.71, 94,840.05 and 38,510.27

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Solution

The fourth proportional to 68,724.71, 94,840.05 and 38,510.27 is: 53,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,724.71 : 94,840.05 = 38,510.27 : x
  2. Step 2: Convert to fraction form
    68,724.71/94,840.05 = 38,510.27/x
  3. Step 3: Cross multiply
    68,724.71x = 94,840.05 × 38,510.27
  4. Step 4: Simplify right side
    68,724.71x = 3,652,315,932.31
  5. Step 5: Solve for x
    x = 3,652,315,932.31/68,724.71
  6. Step 6: Final answer
    x = 53,144.14

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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.