Home / 94,909.70-131,006.50-66,622.34

Finding the Fourth Proportional to 94,909.70, 131,006.50 and 66,622.34

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Solution

The fourth proportional to 94,909.70, 131,006.50 and 66,622.34 is: 91,960.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,909.70 : 131,006.50 = 66,622.34 : x
  2. Step 2: Convert to fraction form
    94,909.70/131,006.50 = 66,622.34/x
  3. Step 3: Cross multiply
    94,909.70x = 131,006.50 × 66,622.34
  4. Step 4: Simplify right side
    94,909.70x = 8,727,959,585.21
  5. Step 5: Solve for x
    x = 8,727,959,585.21/94,909.70
  6. Step 6: Final answer
    x = 91,960.67

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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.