Home / 106,860.06-147,534.03-68,635.02

Finding the Fourth Proportional to 106,860.06, 147,534.03 and 68,635.02

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Solution

The fourth proportional to 106,860.06, 147,534.03 and 68,635.02 is: 94,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,860.06 : 147,534.03 = 68,635.02 : x
  2. Step 2: Convert to fraction form
    106,860.06/147,534.03 = 68,635.02/x
  3. Step 3: Cross multiply
    106,860.06x = 147,534.03 × 68,635.02
  4. Step 4: Simplify right side
    106,860.06x = 10,126,001,099.73
  5. Step 5: Solve for x
    x = 10,126,001,099.73/106,860.06
  6. Step 6: Final answer
    x = 94,759.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.