Home / 117,046.76-161,523.34-63,330.60

Finding the Fourth Proportional to 117,046.76, 161,523.34 and 63,330.60

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Solution

The fourth proportional to 117,046.76, 161,523.34 and 63,330.60 is: 87,395.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,046.76 : 161,523.34 = 63,330.60 : x
  2. Step 2: Convert to fraction form
    117,046.76/161,523.34 = 63,330.60/x
  3. Step 3: Cross multiply
    117,046.76x = 161,523.34 × 63,330.60
  4. Step 4: Simplify right side
    117,046.76x = 10,229,369,877.88
  5. Step 5: Solve for x
    x = 10,229,369,877.88/117,046.76
  6. Step 6: Final answer
    x = 87,395.58

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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.