Home / 117,225.66-161,771.18-63,512.13

Finding the Fourth Proportional to 117,225.66, 161,771.18 and 63,512.13

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Solution

The fourth proportional to 117,225.66, 161,771.18 and 63,512.13 is: 87,646.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,225.66 : 161,771.18 = 63,512.13 : x
  2. Step 2: Convert to fraction form
    117,225.66/161,771.18 = 63,512.13/x
  3. Step 3: Cross multiply
    117,225.66x = 161,771.18 × 63,512.13
  4. Step 4: Simplify right side
    117,225.66x = 10,274,432,214.41
  5. Step 5: Solve for x
    x = 10,274,432,214.41/117,225.66
  6. Step 6: Final answer
    x = 87,646.61

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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.