Home / 117,785.26-176,677.89-47,713.78

Finding the Fourth Proportional to 117,785.26, 176,677.89 and 47,713.78

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Solution

The fourth proportional to 117,785.26, 176,677.89 and 47,713.78 is: 71,570.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,785.26 : 176,677.89 = 47,713.78 : x
  2. Step 2: Convert to fraction form
    117,785.26/176,677.89 = 47,713.78/x
  3. Step 3: Cross multiply
    117,785.26x = 176,677.89 × 47,713.78
  4. Step 4: Simplify right side
    117,785.26x = 8,429,969,974.32
  5. Step 5: Solve for x
    x = 8,429,969,974.32/117,785.26
  6. Step 6: Final answer
    x = 71,570.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.