Home / 109,758.76-164,621-34,869.08

Finding the Fourth Proportional to 109,758.76, 164,621 and 34,869.08

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Solution

The fourth proportional to 109,758.76, 164,621 and 34,869.08 is: 52,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,758.76 : 164,621 = 34,869.08 : x
  2. Step 2: Convert to fraction form
    109,758.76/164,621 = 34,869.08/x
  3. Step 3: Cross multiply
    109,758.76x = 164,621 × 34,869.08
  4. Step 4: Simplify right side
    109,758.76x = 5,740,182,818.68
  5. Step 5: Solve for x
    x = 5,740,182,818.68/109,758.76
  6. Step 6: Final answer
    x = 52,298.17

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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.