Home / 117,549.60-162,216.18-66,558.48

Finding the Fourth Proportional to 117,549.60, 162,216.18 and 66,558.48

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Solution

The fourth proportional to 117,549.60, 162,216.18 and 66,558.48 is: 91,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,549.60 : 162,216.18 = 66,558.48 : x
  2. Step 2: Convert to fraction form
    117,549.60/162,216.18 = 66,558.48/x
  3. Step 3: Cross multiply
    117,549.60x = 162,216.18 × 66,558.48
  4. Step 4: Simplify right side
    117,549.60x = 10,796,862,372.21
  5. Step 5: Solve for x
    x = 10,796,862,372.21/117,549.60
  6. Step 6: Final answer
    x = 91,849.42

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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.