Home / 124,043.28-186,126.44-49,161.80

Finding the Fourth Proportional to 124,043.28, 186,126.44 and 49,161.80

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Solution

The fourth proportional to 124,043.28, 186,126.44 and 49,161.80 is: 73,767.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,043.28 : 186,126.44 = 49,161.80 : x
  2. Step 2: Convert to fraction form
    124,043.28/186,126.44 = 49,161.80/x
  3. Step 3: Cross multiply
    124,043.28x = 186,126.44 × 49,161.80
  4. Step 4: Simplify right side
    124,043.28x = 9,150,310,817.99
  5. Step 5: Solve for x
    x = 9,150,310,817.99/124,043.28
  6. Step 6: Final answer
    x = 73,767.08

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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.