Home / 109,680.72-164,519.48-26,574.16

Finding the Fourth Proportional to 109,680.72, 164,519.48 and 26,574.16

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Solution

The fourth proportional to 109,680.72, 164,519.48 and 26,574.16 is: 39,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,680.72 : 164,519.48 = 26,574.16 : x
  2. Step 2: Convert to fraction form
    109,680.72/164,519.48 = 26,574.16/x
  3. Step 3: Cross multiply
    109,680.72x = 164,519.48 × 26,574.16
  4. Step 4: Simplify right side
    109,680.72x = 4,371,966,984.64
  5. Step 5: Solve for x
    x = 4,371,966,984.64/109,680.72
  6. Step 6: Final answer
    x = 39,860.85

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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.