Home / 117,049.66-161,528.34-66,073.12

Finding the Fourth Proportional to 117,049.66, 161,528.34 and 66,073.12

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Solution

The fourth proportional to 117,049.66, 161,528.34 and 66,073.12 is: 91,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,049.66 : 161,528.34 = 66,073.12 : x
  2. Step 2: Convert to fraction form
    117,049.66/161,528.34 = 66,073.12/x
  3. Step 3: Cross multiply
    117,049.66x = 161,528.34 × 66,073.12
  4. Step 4: Simplify right side
    117,049.66x = 10,672,681,392.22
  5. Step 5: Solve for x
    x = 10,672,681,392.22/117,049.66
  6. Step 6: Final answer
    x = 91,180.80

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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.