Home / 73,140.48-109,710.72-17,736

Finding the Fourth Proportional to 73,140.48, 109,710.72 and 17,736

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Solution

The fourth proportional to 73,140.48, 109,710.72 and 17,736 is: 26,604.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,140.48 : 109,710.72 = 17,736 : x
  2. Step 2: Convert to fraction form
    73,140.48/109,710.72 = 17,736/x
  3. Step 3: Cross multiply
    73,140.48x = 109,710.72 × 17,736
  4. Step 4: Simplify right side
    73,140.48x = 1,945,829,329.92
  5. Step 5: Solve for x
    x = 1,945,829,329.92/73,140.48
  6. Step 6: Final answer
    x = 26,604.00

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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.