Home / 61,150.13-91,738.35-19,029.32

Finding the Fourth Proportional to 61,150.13, 91,738.35 and 19,029.32

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Solution

The fourth proportional to 61,150.13, 91,738.35 and 19,029.32 is: 28,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,150.13 : 91,738.35 = 19,029.32 : x
  2. Step 2: Convert to fraction form
    61,150.13/91,738.35 = 19,029.32/x
  3. Step 3: Cross multiply
    61,150.13x = 91,738.35 × 19,029.32
  4. Step 4: Simplify right side
    61,150.13x = 1,745,717,959.73
  5. Step 5: Solve for x
    x = 1,745,717,959.73/61,150.13
  6. Step 6: Final answer
    x = 28,548.07

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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.