Home / 51,378.45-76,943.10-35,539.04

Finding the Fourth Proportional to 51,378.45, 76,943.10 and 35,539.04

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Solution

The fourth proportional to 51,378.45, 76,943.10 and 35,539.04 is: 53,222.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,378.45 : 76,943.10 = 35,539.04 : x
  2. Step 2: Convert to fraction form
    51,378.45/76,943.10 = 35,539.04/x
  3. Step 3: Cross multiply
    51,378.45x = 76,943.10 × 35,539.04
  4. Step 4: Simplify right side
    51,378.45x = 2,734,483,523.91
  5. Step 5: Solve for x
    x = 2,734,483,523.91/51,378.45
  6. Step 6: Final answer
    x = 53,222.38

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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.