Home / 113,347.38-169,787.64-66,487.26

Finding the Fourth Proportional to 113,347.38, 169,787.64 and 66,487.26

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Solution

The fourth proportional to 113,347.38, 169,787.64 and 66,487.26 is: 99,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,347.38 : 169,787.64 = 66,487.26 : x
  2. Step 2: Convert to fraction form
    113,347.38/169,787.64 = 66,487.26/x
  3. Step 3: Cross multiply
    113,347.38x = 169,787.64 × 66,487.26
  4. Step 4: Simplify right side
    113,347.38x = 11,288,714,965.47
  5. Step 5: Solve for x
    x = 11,288,714,965.47/113,347.38
  6. Step 6: Final answer
    x = 99,593.96

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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.