Home / 113,131.90-169,628.07-38,244.94

Finding the Fourth Proportional to 113,131.90, 169,628.07 and 38,244.94

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Solution

The fourth proportional to 113,131.90, 169,628.07 and 38,244.94 is: 57,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,131.90 : 169,628.07 = 38,244.94 : x
  2. Step 2: Convert to fraction form
    113,131.90/169,628.07 = 38,244.94/x
  3. Step 3: Cross multiply
    113,131.90x = 169,628.07 × 38,244.94
  4. Step 4: Simplify right side
    113,131.90x = 6,487,415,359.47
  5. Step 5: Solve for x
    x = 6,487,415,359.47/113,131.90
  6. Step 6: Final answer
    x = 57,343.82

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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.