Home / 109,992.17-164,991.30-38,904.74

Finding the Fourth Proportional to 109,992.17, 164,991.30 and 38,904.74

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Solution

The fourth proportional to 109,992.17, 164,991.30 and 38,904.74 is: 58,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,992.17 : 164,991.30 = 38,904.74 : x
  2. Step 2: Convert to fraction form
    109,992.17/164,991.30 = 38,904.74/x
  3. Step 3: Cross multiply
    109,992.17x = 164,991.30 × 38,904.74
  4. Step 4: Simplify right side
    109,992.17x = 6,418,942,803.81
  5. Step 5: Solve for x
    x = 6,418,942,803.81/109,992.17
  6. Step 6: Final answer
    x = 58,358.18

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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.