Home / 106,553.88-147,045.38-58,806.20

Finding the Fourth Proportional to 106,553.88, 147,045.38 and 58,806.20

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Solution

The fourth proportional to 106,553.88, 147,045.38 and 58,806.20 is: 81,153.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,553.88 : 147,045.38 = 58,806.20 : x
  2. Step 2: Convert to fraction form
    106,553.88/147,045.38 = 58,806.20/x
  3. Step 3: Cross multiply
    106,553.88x = 147,045.38 × 58,806.20
  4. Step 4: Simplify right side
    106,553.88x = 8,647,180,098.94
  5. Step 5: Solve for x
    x = 8,647,180,098.94/106,553.88
  6. Step 6: Final answer
    x = 81,153.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.