Home / 117,711.66-162,441.29-63,996.67

Finding the Fourth Proportional to 117,711.66, 162,441.29 and 63,996.67

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Solution

The fourth proportional to 117,711.66, 162,441.29 and 63,996.67 is: 88,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,711.66 : 162,441.29 = 63,996.67 : x
  2. Step 2: Convert to fraction form
    117,711.66/162,441.29 = 63,996.67/x
  3. Step 3: Cross multiply
    117,711.66x = 162,441.29 × 63,996.67
  4. Step 4: Simplify right side
    117,711.66x = 10,395,701,993.55
  5. Step 5: Solve for x
    x = 10,395,701,993.55/117,711.66
  6. Step 6: Final answer
    x = 88,314.97

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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.