Home / 76,842.49-115,236-32,472.67

Finding the Fourth Proportional to 76,842.49, 115,236 and 32,472.67

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Solution

The fourth proportional to 76,842.49, 115,236 and 32,472.67 is: 48,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,842.49 : 115,236 = 32,472.67 : x
  2. Step 2: Convert to fraction form
    76,842.49/115,236 = 32,472.67/x
  3. Step 3: Cross multiply
    76,842.49x = 115,236 × 32,472.67
  4. Step 4: Simplify right side
    76,842.49x = 3,742,020,023.94
  5. Step 5: Solve for x
    x = 3,742,020,023.94/76,842.49
  6. Step 6: Final answer
    x = 48,697.28

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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.