Home / 117,612.47-162,302.05-69,217.25

Finding the Fourth Proportional to 117,612.47, 162,302.05 and 69,217.25

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Solution

The fourth proportional to 117,612.47, 162,302.05 and 69,217.25 is: 95,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,612.47 : 162,302.05 = 69,217.25 : x
  2. Step 2: Convert to fraction form
    117,612.47/162,302.05 = 69,217.25/x
  3. Step 3: Cross multiply
    117,612.47x = 162,302.05 × 69,217.25
  4. Step 4: Simplify right side
    117,612.47x = 11,234,100,758.85
  5. Step 5: Solve for x
    x = 11,234,100,758.85/117,612.47
  6. Step 6: Final answer
    x = 95,517.94

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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.