Home / 107,988.91-162,014.46-33,120.04

Finding the Fourth Proportional to 107,988.91, 162,014.46 and 33,120.04

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Solution

The fourth proportional to 107,988.91, 162,014.46 and 33,120.04 is: 49,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,988.91 : 162,014.46 = 33,120.04 : x
  2. Step 2: Convert to fraction form
    107,988.91/162,014.46 = 33,120.04/x
  3. Step 3: Cross multiply
    107,988.91x = 162,014.46 × 33,120.04
  4. Step 4: Simplify right side
    107,988.91x = 5,365,925,356.62
  5. Step 5: Solve for x
    x = 5,365,925,356.62/107,988.91
  6. Step 6: Final answer
    x = 49,689.59

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1.5x scale

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.