Home / 70,810.33-106,215.49-26,440.55

Finding the Fourth Proportional to 70,810.33, 106,215.49 and 26,440.55

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Solution

The fourth proportional to 70,810.33, 106,215.49 and 26,440.55 is: 39,660.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,810.33 : 106,215.49 = 26,440.55 : x
  2. Step 2: Convert to fraction form
    70,810.33/106,215.49 = 26,440.55/x
  3. Step 3: Cross multiply
    70,810.33x = 106,215.49 × 26,440.55
  4. Step 4: Simplify right side
    70,810.33x = 2,808,395,974.12
  5. Step 5: Solve for x
    x = 2,808,395,974.12/70,810.33
  6. Step 6: Final answer
    x = 39,660.82

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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.