Home / 99,686.38-149,554.76-33,126.82

Finding the Fourth Proportional to 99,686.38, 149,554.76 and 33,126.82

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Solution

The fourth proportional to 99,686.38, 149,554.76 and 33,126.82 is: 49,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,686.38 : 149,554.76 = 33,126.82 : x
  2. Step 2: Convert to fraction form
    99,686.38/149,554.76 = 33,126.82/x
  3. Step 3: Cross multiply
    99,686.38x = 149,554.76 × 33,126.82
  4. Step 4: Simplify right side
    99,686.38x = 4,954,273,614.66
  5. Step 5: Solve for x
    x = 4,954,273,614.66/99,686.38
  6. Step 6: Final answer
    x = 49,698.60

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1.5x scale

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.