Home / 109,129.83-163,696.77-34,248.30

Finding the Fourth Proportional to 109,129.83, 163,696.77 and 34,248.30

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Solution

The fourth proportional to 109,129.83, 163,696.77 and 34,248.30 is: 51,373.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,129.83 : 163,696.77 = 34,248.30 : x
  2. Step 2: Convert to fraction form
    109,129.83/163,696.77 = 34,248.30/x
  3. Step 3: Cross multiply
    109,129.83x = 163,696.77 × 34,248.30
  4. Step 4: Simplify right side
    109,129.83x = 5,606,336,087.99
  5. Step 5: Solve for x
    x = 5,606,336,087.99/109,129.83
  6. Step 6: Final answer
    x = 51,373.09

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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.