Home / 123,411.59-170,308.11-66,822.83

Finding the Fourth Proportional to 123,411.59, 170,308.11 and 66,822.83

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Solution

The fourth proportional to 123,411.59, 170,308.11 and 66,822.83 is: 92,215.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,411.59 : 170,308.11 = 66,822.83 : x
  2. Step 2: Convert to fraction form
    123,411.59/170,308.11 = 66,822.83/x
  3. Step 3: Cross multiply
    123,411.59x = 170,308.11 × 66,822.83
  4. Step 4: Simplify right side
    123,411.59x = 11,380,468,696.50
  5. Step 5: Solve for x
    x = 11,380,468,696.50/123,411.59
  6. Step 6: Final answer
    x = 92,215.56

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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.