Home / 117,758.38-162,507.74-64,044.60

Finding the Fourth Proportional to 117,758.38, 162,507.74 and 64,044.60

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Solution

The fourth proportional to 117,758.38, 162,507.74 and 64,044.60 is: 88,382.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,758.38 : 162,507.74 = 64,044.60 : x
  2. Step 2: Convert to fraction form
    117,758.38/162,507.74 = 64,044.60/x
  3. Step 3: Cross multiply
    117,758.38x = 162,507.74 × 64,044.60
  4. Step 4: Simplify right side
    117,758.38x = 10,407,743,205.20
  5. Step 5: Solve for x
    x = 10,407,743,205.20/117,758.38
  6. Step 6: Final answer
    x = 88,382.19

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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.