Home / 113,302.30-169,969.65-38,425.90

Finding the Fourth Proportional to 113,302.30, 169,969.65 and 38,425.90

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Solution

The fourth proportional to 113,302.30, 169,969.65 and 38,425.90 is: 57,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,302.30 : 169,969.65 = 38,425.90 : x
  2. Step 2: Convert to fraction form
    113,302.30/169,969.65 = 38,425.90/x
  3. Step 3: Cross multiply
    113,302.30x = 169,969.65 × 38,425.90
  4. Step 4: Simplify right side
    113,302.30x = 6,531,236,773.94
  5. Step 5: Solve for x
    x = 6,531,236,773.94/113,302.30
  6. Step 6: Final answer
    x = 57,644.34

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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.