Home / 118,021.28-162,867.24-64,306.67

Finding the Fourth Proportional to 118,021.28, 162,867.24 and 64,306.67

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Solution

The fourth proportional to 118,021.28, 162,867.24 and 64,306.67 is: 88,742.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,021.28 : 162,867.24 = 64,306.67 : x
  2. Step 2: Convert to fraction form
    118,021.28/162,867.24 = 64,306.67/x
  3. Step 3: Cross multiply
    118,021.28x = 162,867.24 × 64,306.67
  4. Step 4: Simplify right side
    118,021.28x = 10,473,449,042.15
  5. Step 5: Solve for x
    x = 10,473,449,042.15/118,021.28
  6. Step 6: Final answer
    x = 88,742.04

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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.