Home / 106,012.48-159,017.90-27,126.58

Finding the Fourth Proportional to 106,012.48, 159,017.90 and 27,126.58

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Solution

The fourth proportional to 106,012.48, 159,017.90 and 27,126.58 is: 40,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,012.48 : 159,017.90 = 27,126.58 : x
  2. Step 2: Convert to fraction form
    106,012.48/159,017.90 = 27,126.58/x
  3. Step 3: Cross multiply
    106,012.48x = 159,017.90 × 27,126.58
  4. Step 4: Simplify right side
    106,012.48x = 4,313,611,785.78
  5. Step 5: Solve for x
    x = 4,313,611,785.78/106,012.48
  6. Step 6: Final answer
    x = 40,689.66

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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.