Home / 123,541.47-170,487.45-66,952.85

Finding the Fourth Proportional to 123,541.47, 170,487.45 and 66,952.85

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Solution

The fourth proportional to 123,541.47, 170,487.45 and 66,952.85 is: 92,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,541.47 : 170,487.45 = 66,952.85 : x
  2. Step 2: Convert to fraction form
    123,541.47/170,487.45 = 66,952.85/x
  3. Step 3: Cross multiply
    123,541.47x = 170,487.45 × 66,952.85
  4. Step 4: Simplify right side
    123,541.47x = 11,414,619,814.30
  5. Step 5: Solve for x
    x = 11,414,619,814.30/123,541.47
  6. Step 6: Final answer
    x = 92,395.05

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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.