Home / 113,190.66-169,783.99-45,721.04

Finding the Fourth Proportional to 113,190.66, 169,783.99 and 45,721.04

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Solution

The fourth proportional to 113,190.66, 169,783.99 and 45,721.04 is: 68,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,190.66 : 169,783.99 = 45,721.04 : x
  2. Step 2: Convert to fraction form
    113,190.66/169,783.99 = 45,721.04/x
  3. Step 3: Cross multiply
    113,190.66x = 169,783.99 × 45,721.04
  4. Step 4: Simplify right side
    113,190.66x = 7,762,699,634.93
  5. Step 5: Solve for x
    x = 7,762,699,634.93/113,190.66
  6. Step 6: Final answer
    x = 68,580.74

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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.