Home / 107,993.12-149,030.28-60,243.62

Finding the Fourth Proportional to 107,993.12, 149,030.28 and 60,243.62

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Solution

The fourth proportional to 107,993.12, 149,030.28 and 60,243.62 is: 83,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,993.12 : 149,030.28 = 60,243.62 : x
  2. Step 2: Convert to fraction form
    107,993.12/149,030.28 = 60,243.62/x
  3. Step 3: Cross multiply
    107,993.12x = 149,030.28 × 60,243.62
  4. Step 4: Simplify right side
    107,993.12x = 8,978,122,811.66
  5. Step 5: Solve for x
    x = 8,978,122,811.66/107,993.12
  6. Step 6: Final answer
    x = 83,136.07

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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.