Home / 91,964.66-126,917.10-53,736.60

Finding the Fourth Proportional to 91,964.66, 126,917.10 and 53,736.60

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Solution

The fourth proportional to 91,964.66, 126,917.10 and 53,736.60 is: 74,159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,964.66 : 126,917.10 = 53,736.60 : x
  2. Step 2: Convert to fraction form
    91,964.66/126,917.10 = 53,736.60/x
  3. Step 3: Cross multiply
    91,964.66x = 126,917.10 × 53,736.60
  4. Step 4: Simplify right side
    91,964.66x = 6,820,093,435.86
  5. Step 5: Solve for x
    x = 6,820,093,435.86/91,964.66
  6. Step 6: Final answer
    x = 74,159.94

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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.