Home / 123,530.55-185,326.70-57,017.19

Finding the Fourth Proportional to 123,530.55, 185,326.70 and 57,017.19

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Solution

The fourth proportional to 123,530.55, 185,326.70 and 57,017.19 is: 85,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,530.55 : 185,326.70 = 57,017.19 : x
  2. Step 2: Convert to fraction form
    123,530.55/185,326.70 = 57,017.19/x
  3. Step 3: Cross multiply
    123,530.55x = 185,326.70 × 57,017.19
  4. Step 4: Simplify right side
    123,530.55x = 10,566,807,665.97
  5. Step 5: Solve for x
    x = 10,566,807,665.97/123,530.55
  6. Step 6: Final answer
    x = 85,540.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.