Home / 109,378.79-164,068.23-26,272.79

Finding the Fourth Proportional to 109,378.79, 164,068.23 and 26,272.79

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Solution

The fourth proportional to 109,378.79, 164,068.23 and 26,272.79 is: 39,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,378.79 : 164,068.23 = 26,272.79 : x
  2. Step 2: Convert to fraction form
    109,378.79/164,068.23 = 26,272.79/x
  3. Step 3: Cross multiply
    109,378.79x = 164,068.23 × 26,272.79
  4. Step 4: Simplify right side
    109,378.79x = 4,310,530,045.90
  5. Step 5: Solve for x
    x = 4,310,530,045.90/109,378.79
  6. Step 6: Final answer
    x = 39,409.20

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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.