Home / 65,853.42-98,802.32-20,882.13

Finding the Fourth Proportional to 65,853.42, 98,802.32 and 20,882.13

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Solution

The fourth proportional to 65,853.42, 98,802.32 and 20,882.13 is: 31,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,853.42 : 98,802.32 = 20,882.13 : x
  2. Step 2: Convert to fraction form
    65,853.42/98,802.32 = 20,882.13/x
  3. Step 3: Cross multiply
    65,853.42x = 98,802.32 × 20,882.13
  4. Step 4: Simplify right side
    65,853.42x = 2,063,202,786.13
  5. Step 5: Solve for x
    x = 2,063,202,786.13/65,853.42
  6. Step 6: Final answer
    x = 31,330.23

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1.5x scale

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.