Home / 65,564.20-98,322.30-21,202.60

Finding the Fourth Proportional to 65,564.20, 98,322.30 and 21,202.60

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Solution

The fourth proportional to 65,564.20, 98,322.30 and 21,202.60 is: 31,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,564.20 : 98,322.30 = 21,202.60 : x
  2. Step 2: Convert to fraction form
    65,564.20/98,322.30 = 21,202.60/x
  3. Step 3: Cross multiply
    65,564.20x = 98,322.30 × 21,202.60
  4. Step 4: Simplify right side
    65,564.20x = 2,084,688,397.98
  5. Step 5: Solve for x
    x = 2,084,688,397.98/65,564.20
  6. Step 6: Final answer
    x = 31,796.14

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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.