Home / 91,969.44-126,917.70-53,755.26

Finding the Fourth Proportional to 91,969.44, 126,917.70 and 53,755.26

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Solution

The fourth proportional to 91,969.44, 126,917.70 and 53,755.26 is: 74,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,969.44 : 126,917.70 = 53,755.26 : x
  2. Step 2: Convert to fraction form
    91,969.44/126,917.70 = 53,755.26/x
  3. Step 3: Cross multiply
    91,969.44x = 126,917.70 × 53,755.26
  4. Step 4: Simplify right side
    91,969.44x = 6,822,493,962.10
  5. Step 5: Solve for x
    x = 6,822,493,962.10/91,969.44
  6. Step 6: Final answer
    x = 74,182.18

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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.