Home / 65,206.14-97,772.49-20,822.46

Finding the Fourth Proportional to 65,206.14, 97,772.49 and 20,822.46

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Solution

The fourth proportional to 65,206.14, 97,772.49 and 20,822.46 is: 31,221.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,206.14 : 97,772.49 = 20,822.46 : x
  2. Step 2: Convert to fraction form
    65,206.14/97,772.49 = 20,822.46/x
  3. Step 3: Cross multiply
    65,206.14x = 97,772.49 × 20,822.46
  4. Step 4: Simplify right side
    65,206.14x = 2,035,863,762.13
  5. Step 5: Solve for x
    x = 2,035,863,762.13/65,206.14
  6. Step 6: Final answer
    x = 31,221.96

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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.