Home / 116,847.50-161,249.55-66,551.18

Finding the Fourth Proportional to 116,847.50, 161,249.55 and 66,551.18

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Solution

The fourth proportional to 116,847.50, 161,249.55 and 66,551.18 is: 91,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,847.50 : 161,249.55 = 66,551.18 : x
  2. Step 2: Convert to fraction form
    116,847.50/161,249.55 = 66,551.18/x
  3. Step 3: Cross multiply
    116,847.50x = 161,249.55 × 66,551.18
  4. Step 4: Simplify right side
    116,847.50x = 10,731,347,826.97
  5. Step 5: Solve for x
    x = 10,731,347,826.97/116,847.50
  6. Step 6: Final answer
    x = 91,840.63

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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.