Home / 117,762.44-162,470.94-66,767.72

Finding the Fourth Proportional to 117,762.44, 162,470.94 and 66,767.72

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Solution

The fourth proportional to 117,762.44, 162,470.94 and 66,767.72 is: 92,116.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,762.44 : 162,470.94 = 66,767.72 : x
  2. Step 2: Convert to fraction form
    117,762.44/162,470.94 = 66,767.72/x
  3. Step 3: Cross multiply
    117,762.44x = 162,470.94 × 66,767.72
  4. Step 4: Simplify right side
    117,762.44x = 10,847,814,230.06
  5. Step 5: Solve for x
    x = 10,847,814,230.06/117,762.44
  6. Step 6: Final answer
    x = 92,116.08

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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.