Home / 65,134.01-97,708.14-20,750.33

Finding the Fourth Proportional to 65,134.01, 97,708.14 and 20,750.33

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Solution

The fourth proportional to 65,134.01, 97,708.14 and 20,750.33 is: 31,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,134.01 : 97,708.14 = 20,750.33 : x
  2. Step 2: Convert to fraction form
    65,134.01/97,708.14 = 20,750.33/x
  3. Step 3: Cross multiply
    65,134.01x = 97,708.14 × 20,750.33
  4. Step 4: Simplify right side
    65,134.01x = 2,027,476,148.69
  5. Step 5: Solve for x
    x = 2,027,476,148.69/65,134.01
  6. Step 6: Final answer
    x = 31,127.76

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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.