Home / 110,909.06-166,292.65-65,918.41

Finding the Fourth Proportional to 110,909.06, 166,292.65 and 65,918.41

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Solution

The fourth proportional to 110,909.06, 166,292.65 and 65,918.41 is: 98,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,909.06 : 166,292.65 = 65,918.41 : x
  2. Step 2: Convert to fraction form
    110,909.06/166,292.65 = 65,918.41/x
  3. Step 3: Cross multiply
    110,909.06x = 166,292.65 × 65,918.41
  4. Step 4: Simplify right side
    110,909.06x = 10,961,747,082.69
  5. Step 5: Solve for x
    x = 10,961,747,082.69/110,909.06
  6. Step 6: Final answer
    x = 98,835.46

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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.