Home / 73,200.70-109,558.05-53,153.20

Finding the Fourth Proportional to 73,200.70, 109,558.05 and 53,153.20

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Solution

The fourth proportional to 73,200.70, 109,558.05 and 53,153.20 is: 79,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,200.70 : 109,558.05 = 53,153.20 : x
  2. Step 2: Convert to fraction form
    73,200.70/109,558.05 = 53,153.20/x
  3. Step 3: Cross multiply
    73,200.70x = 109,558.05 × 53,153.20
  4. Step 4: Simplify right side
    73,200.70x = 5,823,360,943.26
  5. Step 5: Solve for x
    x = 5,823,360,943.26/73,200.70
  6. Step 6: Final answer
    x = 79,553.35

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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.