Home / 117,446.38-162,073.76-66,458.19

Finding the Fourth Proportional to 117,446.38, 162,073.76 and 66,458.19

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Solution

The fourth proportional to 117,446.38, 162,073.76 and 66,458.19 is: 91,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,446.38 : 162,073.76 = 66,458.19 : x
  2. Step 2: Convert to fraction form
    117,446.38/162,073.76 = 66,458.19/x
  3. Step 3: Cross multiply
    117,446.38x = 162,073.76 × 66,458.19
  4. Step 4: Simplify right side
    117,446.38x = 10,771,128,736.09
  5. Step 5: Solve for x
    x = 10,771,128,736.09/117,446.38
  6. Step 6: Final answer
    x = 91,711.03

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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.