Home / 65,939.13-98,920.85-21,568.34

Finding the Fourth Proportional to 65,939.13, 98,920.85 and 21,568.34

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Solution

The fourth proportional to 65,939.13, 98,920.85 and 21,568.34 is: 32,356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,939.13 : 98,920.85 = 21,568.34 : x
  2. Step 2: Convert to fraction form
    65,939.13/98,920.85 = 21,568.34/x
  3. Step 3: Cross multiply
    65,939.13x = 98,920.85 × 21,568.34
  4. Step 4: Simplify right side
    65,939.13x = 2,133,558,665.35
  5. Step 5: Solve for x
    x = 2,133,558,665.35/65,939.13
  6. Step 6: Final answer
    x = 32,356.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.