Home / 68,828.78-94,983.93-38,614.13

Finding the Fourth Proportional to 68,828.78, 94,983.93 and 38,614.13

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Solution

The fourth proportional to 68,828.78, 94,983.93 and 38,614.13 is: 53,287.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,828.78 : 94,983.93 = 38,614.13 : x
  2. Step 2: Convert to fraction form
    68,828.78/94,983.93 = 38,614.13/x
  3. Step 3: Cross multiply
    68,828.78x = 94,983.93 × 38,614.13
  4. Step 4: Simplify right side
    68,828.78x = 3,667,721,346.01
  5. Step 5: Solve for x
    x = 3,667,721,346.01/68,828.78
  6. Step 6: Final answer
    x = 53,287.62

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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.