Home / 103,631.82-155,260.00-47,518.86

Finding the Fourth Proportional to 103,631.82, 155,260.00 and 47,518.86

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Solution

The fourth proportional to 103,631.82, 155,260.00 and 47,518.86 is: 71,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631.82 : 155,260.00 = 47,518.86 : x
  2. Step 2: Convert to fraction form
    103,631.82/155,260.00 = 47,518.86/x
  3. Step 3: Cross multiply
    103,631.82x = 155,260.00 × 47,518.86
  4. Step 4: Simplify right side
    103,631.82x = 7,377,778,845.22
  5. Step 5: Solve for x
    x = 7,377,778,845.22/103,631.82
  6. Step 6: Final answer
    x = 71,192.22

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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.