Home / 91,840.22-126,724.46-54,109.34

Finding the Fourth Proportional to 91,840.22, 126,724.46 and 54,109.34

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Solution

The fourth proportional to 91,840.22, 126,724.46 and 54,109.34 is: 74,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,840.22 : 126,724.46 = 54,109.34 : x
  2. Step 2: Convert to fraction form
    91,840.22/126,724.46 = 54,109.34/x
  3. Step 3: Cross multiply
    91,840.22x = 126,724.46 × 54,109.34
  4. Step 4: Simplify right side
    91,840.22x = 6,856,976,892.46
  5. Step 5: Solve for x
    x = 6,856,976,892.46/91,840.22
  6. Step 6: Final answer
    x = 74,662.03

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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.