Home / 65,564.25-98,337.87-21,186.51

Finding the Fourth Proportional to 65,564.25, 98,337.87 and 21,186.51

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Solution

The fourth proportional to 65,564.25, 98,337.87 and 21,186.51 is: 31,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,564.25 : 98,337.87 = 21,186.51 : x
  2. Step 2: Convert to fraction form
    65,564.25/98,337.87 = 21,186.51/x
  3. Step 3: Cross multiply
    65,564.25x = 98,337.87 × 21,186.51
  4. Step 4: Simplify right side
    65,564.25x = 2,083,436,266.13
  5. Step 5: Solve for x
    x = 2,083,436,266.13/65,564.25
  6. Step 6: Final answer
    x = 31,777.02

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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.