Home / 109,713.60-164,588.40-38,617.92

Finding the Fourth Proportional to 109,713.60, 164,588.40 and 38,617.92

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Solution

The fourth proportional to 109,713.60, 164,588.40 and 38,617.92 is: 57,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,713.60 : 164,588.40 = 38,617.92 : x
  2. Step 2: Convert to fraction form
    109,713.60/164,588.40 = 38,617.92/x
  3. Step 3: Cross multiply
    109,713.60x = 164,588.40 × 38,617.92
  4. Step 4: Simplify right side
    109,713.60x = 6,356,061,664.13
  5. Step 5: Solve for x
    x = 6,356,061,664.13/109,713.60
  6. Step 6: Final answer
    x = 57,933.22

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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.