Home / 117,446.48-162,076.24-66,458.12

Finding the Fourth Proportional to 117,446.48, 162,076.24 and 66,458.12

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Solution

The fourth proportional to 117,446.48, 162,076.24 and 66,458.12 is: 91,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,446.48 : 162,076.24 = 66,458.12 : x
  2. Step 2: Convert to fraction form
    117,446.48/162,076.24 = 66,458.12/x
  3. Step 3: Cross multiply
    117,446.48x = 162,076.24 × 66,458.12
  4. Step 4: Simplify right side
    117,446.48x = 10,771,282,207.07
  5. Step 5: Solve for x
    x = 10,771,282,207.07/117,446.48
  6. Step 6: Final answer
    x = 91,712.26

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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.