Home / 50,140.70-69,192.05-29,985.67

Finding the Fourth Proportional to 50,140.70, 69,192.05 and 29,985.67

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Solution

The fourth proportional to 50,140.70, 69,192.05 and 29,985.67 is: 41,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,140.70 : 69,192.05 = 29,985.67 : x
  2. Step 2: Convert to fraction form
    50,140.70/69,192.05 = 29,985.67/x
  3. Step 3: Cross multiply
    50,140.70x = 69,192.05 × 29,985.67
  4. Step 4: Simplify right side
    50,140.70x = 2,074,769,977.92
  5. Step 5: Solve for x
    x = 2,074,769,977.92/50,140.70
  6. Step 6: Final answer
    x = 41,378.96

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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.