Home / 123,611.28-185,268.60-56,959.92

Finding the Fourth Proportional to 123,611.28, 185,268.60 and 56,959.92

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Solution

The fourth proportional to 123,611.28, 185,268.60 and 56,959.92 is: 85,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,611.28 : 185,268.60 = 56,959.92 : x
  2. Step 2: Convert to fraction form
    123,611.28/185,268.60 = 56,959.92/x
  3. Step 3: Cross multiply
    123,611.28x = 185,268.60 × 56,959.92
  4. Step 4: Simplify right side
    123,611.28x = 10,552,884,634.51
  5. Step 5: Solve for x
    x = 10,552,884,634.51/123,611.28
  6. Step 6: Final answer
    x = 85,371.53

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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.