Home / 80,187.57-120,247.47-24,035.67

Finding the Fourth Proportional to 80,187.57, 120,247.47 and 24,035.67

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Solution

The fourth proportional to 80,187.57, 120,247.47 and 24,035.67 is: 36,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,187.57 : 120,247.47 = 24,035.67 : x
  2. Step 2: Convert to fraction form
    80,187.57/120,247.47 = 24,035.67/x
  3. Step 3: Cross multiply
    80,187.57x = 120,247.47 × 24,035.67
  4. Step 4: Simplify right side
    80,187.57x = 2,890,228,507.25
  5. Step 5: Solve for x
    x = 2,890,228,507.25/80,187.57
  6. Step 6: Final answer
    x = 36,043.35

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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.