Home / 53,474.31-73,792.89-30,812.67

Finding the Fourth Proportional to 53,474.31, 73,792.89 and 30,812.67

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Solution

The fourth proportional to 53,474.31, 73,792.89 and 30,812.67 is: 42,520.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,474.31 : 73,792.89 = 30,812.67 : x
  2. Step 2: Convert to fraction form
    53,474.31/73,792.89 = 30,812.67/x
  3. Step 3: Cross multiply
    53,474.31x = 73,792.89 × 30,812.67
  4. Step 4: Simplify right side
    53,474.31x = 2,273,755,967.92
  5. Step 5: Solve for x
    x = 2,273,755,967.92/53,474.31
  6. Step 6: Final answer
    x = 42,520.53

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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.