Home / 80,636.46-111,281.18-44,340.67

Finding the Fourth Proportional to 80,636.46, 111,281.18 and 44,340.67

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Solution

The fourth proportional to 80,636.46, 111,281.18 and 44,340.67 is: 61,191.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,636.46 : 111,281.18 = 44,340.67 : x
  2. Step 2: Convert to fraction form
    80,636.46/111,281.18 = 44,340.67/x
  3. Step 3: Cross multiply
    80,636.46x = 111,281.18 × 44,340.67
  4. Step 4: Simplify right side
    80,636.46x = 4,934,281,996.99
  5. Step 5: Solve for x
    x = 4,934,281,996.99/80,636.46
  6. Step 6: Final answer
    x = 61,191.70

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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.