Home / 123,421.64-185,133.06-29,927.36

Finding the Fourth Proportional to 123,421.64, 185,133.06 and 29,927.36

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Solution

The fourth proportional to 123,421.64, 185,133.06 and 29,927.36 is: 44,891.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,421.64 : 185,133.06 = 29,927.36 : x
  2. Step 2: Convert to fraction form
    123,421.64/185,133.06 = 29,927.36/x
  3. Step 3: Cross multiply
    123,421.64x = 185,133.06 × 29,927.36
  4. Step 4: Simplify right side
    123,421.64x = 5,540,543,734.52
  5. Step 5: Solve for x
    x = 5,540,543,734.52/123,421.64
  6. Step 6: Final answer
    x = 44,891.19

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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.