Home / 117,440.74-162,057.27-66,458.13

Finding the Fourth Proportional to 117,440.74, 162,057.27 and 66,458.13

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Solution

The fourth proportional to 117,440.74, 162,057.27 and 66,458.13 is: 91,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,440.74 : 162,057.27 = 66,458.13 : x
  2. Step 2: Convert to fraction form
    117,440.74/162,057.27 = 66,458.13/x
  3. Step 3: Cross multiply
    117,440.74x = 162,057.27 × 66,458.13
  4. Step 4: Simplify right side
    117,440.74x = 10,770,023,117.11
  5. Step 5: Solve for x
    x = 10,770,023,117.11/117,440.74
  6. Step 6: Final answer
    x = 91,706.02

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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.