Home / 65,562.12-98,343.18-21,195.48

Finding the Fourth Proportional to 65,562.12, 98,343.18 and 21,195.48

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Solution

The fourth proportional to 65,562.12, 98,343.18 and 21,195.48 is: 31,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,562.12 : 98,343.18 = 21,195.48 : x
  2. Step 2: Convert to fraction form
    65,562.12/98,343.18 = 21,195.48/x
  3. Step 3: Cross multiply
    65,562.12x = 98,343.18 × 21,195.48
  4. Step 4: Simplify right side
    65,562.12x = 2,084,430,904.83
  5. Step 5: Solve for x
    x = 2,084,430,904.83/65,562.12
  6. Step 6: Final answer
    x = 31,793.22

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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.