Home / 75,224.70-103,725.01-47,964.40

Finding the Fourth Proportional to 75,224.70, 103,725.01 and 47,964.40

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Solution

The fourth proportional to 75,224.70, 103,725.01 and 47,964.40 is: 66,136.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,224.70 : 103,725.01 = 47,964.40 : x
  2. Step 2: Convert to fraction form
    75,224.70/103,725.01 = 47,964.40/x
  3. Step 3: Cross multiply
    75,224.70x = 103,725.01 × 47,964.40
  4. Step 4: Simplify right side
    75,224.70x = 4,975,107,983.94
  5. Step 5: Solve for x
    x = 4,975,107,983.94/75,224.70
  6. Step 6: Final answer
    x = 66,136.63

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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.