Home / 103,676.48-155,513.70-47,500.65

Finding the Fourth Proportional to 103,676.48, 155,513.70 and 47,500.65

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Solution

The fourth proportional to 103,676.48, 155,513.70 and 47,500.65 is: 71,250.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,676.48 : 155,513.70 = 47,500.65 : x
  2. Step 2: Convert to fraction form
    103,676.48/155,513.70 = 47,500.65/x
  3. Step 3: Cross multiply
    103,676.48x = 155,513.70 × 47,500.65
  4. Step 4: Simplify right side
    103,676.48x = 7,387,001,833.91
  5. Step 5: Solve for x
    x = 7,387,001,833.91/103,676.48
  6. Step 6: Final answer
    x = 71,250.51

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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.