Home / 106,826.90-147,418.61-59,079.22

Finding the Fourth Proportional to 106,826.90, 147,418.61 and 59,079.22

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Solution

The fourth proportional to 106,826.90, 147,418.61 and 59,079.22 is: 81,527.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,826.90 : 147,418.61 = 59,079.22 : x
  2. Step 2: Convert to fraction form
    106,826.90/147,418.61 = 59,079.22/x
  3. Step 3: Cross multiply
    106,826.90x = 147,418.61 × 59,079.22
  4. Step 4: Simplify right side
    106,826.90x = 8,709,376,823.73
  5. Step 5: Solve for x
    x = 8,709,376,823.73/106,826.90
  6. Step 6: Final answer
    x = 81,527.94

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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.