Home / 109,686.25-164,530.28-26,580.25

Finding the Fourth Proportional to 109,686.25, 164,530.28 and 26,580.25

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Solution

The fourth proportional to 109,686.25, 164,530.28 and 26,580.25 is: 39,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,686.25 : 164,530.28 = 26,580.25 : x
  2. Step 2: Convert to fraction form
    109,686.25/164,530.28 = 26,580.25/x
  3. Step 3: Cross multiply
    109,686.25x = 164,530.28 × 26,580.25
  4. Step 4: Simplify right side
    109,686.25x = 4,373,255,974.97
  5. Step 5: Solve for x
    x = 4,373,255,974.97/109,686.25
  6. Step 6: Final answer
    x = 39,870.59

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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.