Home / 65,853.24-98,802.03-20,881.94

Finding the Fourth Proportional to 65,853.24, 98,802.03 and 20,881.94

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Solution

The fourth proportional to 65,853.24, 98,802.03 and 20,881.94 is: 31,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,853.24 : 98,802.03 = 20,881.94 : x
  2. Step 2: Convert to fraction form
    65,853.24/98,802.03 = 20,881.94/x
  3. Step 3: Cross multiply
    65,853.24x = 98,802.03 × 20,881.94
  4. Step 4: Simplify right side
    65,853.24x = 2,063,177,568.33
  5. Step 5: Solve for x
    x = 2,063,177,568.33/65,853.24
  6. Step 6: Final answer
    x = 31,329.93

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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.