Home / 109,718.68-164,625.56-38,692.06

Finding the Fourth Proportional to 109,718.68, 164,625.56 and 38,692.06

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Solution

The fourth proportional to 109,718.68, 164,625.56 and 38,692.06 is: 58,054.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,718.68 : 164,625.56 = 38,692.06 : x
  2. Step 2: Convert to fraction form
    109,718.68/164,625.56 = 38,692.06/x
  3. Step 3: Cross multiply
    109,718.68x = 164,625.56 × 38,692.06
  4. Step 4: Simplify right side
    109,718.68x = 6,369,702,402.32
  5. Step 5: Solve for x
    x = 6,369,702,402.32/109,718.68
  6. Step 6: Final answer
    x = 58,054.86

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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.