Home / 65,022.21-97,611.09-38,739.33

Finding the Fourth Proportional to 65,022.21, 97,611.09 and 38,739.33

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Solution

The fourth proportional to 65,022.21, 97,611.09 and 38,739.33 is: 58,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,022.21 : 97,611.09 = 38,739.33 : x
  2. Step 2: Convert to fraction form
    65,022.21/97,611.09 = 38,739.33/x
  3. Step 3: Cross multiply
    65,022.21x = 97,611.09 × 38,739.33
  4. Step 4: Simplify right side
    65,022.21x = 3,781,388,227.17
  5. Step 5: Solve for x
    x = 3,781,388,227.17/65,022.21
  6. Step 6: Final answer
    x = 58,155.33

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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.