Home / 109,508.91-164,263.37-38,487.30

Finding the Fourth Proportional to 109,508.91, 164,263.37 and 38,487.30

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Solution

The fourth proportional to 109,508.91, 164,263.37 and 38,487.30 is: 57,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,508.91 : 164,263.37 = 38,487.30 : x
  2. Step 2: Convert to fraction form
    109,508.91/164,263.37 = 38,487.30/x
  3. Step 3: Cross multiply
    109,508.91x = 164,263.37 × 38,487.30
  4. Step 4: Simplify right side
    109,508.91x = 6,322,053,407.76
  5. Step 5: Solve for x
    x = 6,322,053,407.76/109,508.91
  6. Step 6: Final answer
    x = 57,730.95

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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.