Home / 109,555.29-164,351.09-38,459.49

Finding the Fourth Proportional to 109,555.29, 164,351.09 and 38,459.49

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Solution

The fourth proportional to 109,555.29, 164,351.09 and 38,459.49 is: 57,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,555.29 : 164,351.09 = 38,459.49 : x
  2. Step 2: Convert to fraction form
    109,555.29/164,351.09 = 38,459.49/x
  3. Step 3: Cross multiply
    109,555.29x = 164,351.09 × 38,459.49
  4. Step 4: Simplify right side
    109,555.29x = 6,320,858,280.59
  5. Step 5: Solve for x
    x = 6,320,858,280.59/109,555.29
  6. Step 6: Final answer
    x = 57,695.60

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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.