Home / 117,729.60-162,466.68-64,014.96

Finding the Fourth Proportional to 117,729.60, 162,466.68 and 64,014.96

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Solution

The fourth proportional to 117,729.60, 162,466.68 and 64,014.96 is: 88,340.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,729.60 : 162,466.68 = 64,014.96 : x
  2. Step 2: Convert to fraction form
    117,729.60/162,466.68 = 64,014.96/x
  3. Step 3: Cross multiply
    117,729.60x = 162,466.68 × 64,014.96
  4. Step 4: Simplify right side
    117,729.60x = 10,400,298,021.53
  5. Step 5: Solve for x
    x = 10,400,298,021.53/117,729.60
  6. Step 6: Final answer
    x = 88,340.55

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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.