Home / 117,043.60-161,519.02-63,327.44

Finding the Fourth Proportional to 117,043.60, 161,519.02 and 63,327.44

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Solution

The fourth proportional to 117,043.60, 161,519.02 and 63,327.44 is: 87,391.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,043.60 : 161,519.02 = 63,327.44 : x
  2. Step 2: Convert to fraction form
    117,043.60/161,519.02 = 63,327.44/x
  3. Step 3: Cross multiply
    117,043.60x = 161,519.02 × 63,327.44
  4. Step 4: Simplify right side
    117,043.60x = 10,228,586,047.91
  5. Step 5: Solve for x
    x = 10,228,586,047.91/117,043.60
  6. Step 6: Final answer
    x = 87,391.25

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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.