Home / 107,013.45-147,694.32-61,682.58

Finding the Fourth Proportional to 107,013.45, 147,694.32 and 61,682.58

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Solution

The fourth proportional to 107,013.45, 147,694.32 and 61,682.58 is: 85,131.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,013.45 : 147,694.32 = 61,682.58 : x
  2. Step 2: Convert to fraction form
    107,013.45/147,694.32 = 61,682.58/x
  3. Step 3: Cross multiply
    107,013.45x = 147,694.32 × 61,682.58
  4. Step 4: Simplify right side
    107,013.45x = 9,110,166,708.95
  5. Step 5: Solve for x
    x = 9,110,166,708.95/107,013.45
  6. Step 6: Final answer
    x = 85,131.04

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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.