Home / 107,972.12-149,008.20-59,573.81

Finding the Fourth Proportional to 107,972.12, 149,008.20 and 59,573.81

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Solution

The fourth proportional to 107,972.12, 149,008.20 and 59,573.81 is: 82,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,972.12 : 149,008.20 = 59,573.81 : x
  2. Step 2: Convert to fraction form
    107,972.12/149,008.20 = 59,573.81/x
  3. Step 3: Cross multiply
    107,972.12x = 149,008.20 × 59,573.81
  4. Step 4: Simplify right side
    107,972.12x = 8,876,986,195.24
  5. Step 5: Solve for x
    x = 8,876,986,195.24/107,972.12
  6. Step 6: Final answer
    x = 82,215.54

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1.5x scale

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.