Home / 75,142.35-103,663.26-44,912.52

Finding the Fourth Proportional to 75,142.35, 103,663.26 and 44,912.52

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Solution

The fourth proportional to 75,142.35, 103,663.26 and 44,912.52 is: 61,959.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,142.35 : 103,663.26 = 44,912.52 : x
  2. Step 2: Convert to fraction form
    75,142.35/103,663.26 = 44,912.52/x
  3. Step 3: Cross multiply
    75,142.35x = 103,663.26 × 44,912.52
  4. Step 4: Simplify right side
    75,142.35x = 4,655,778,238.02
  5. Step 5: Solve for x
    x = 4,655,778,238.02/75,142.35
  6. Step 6: Final answer
    x = 61,959.44

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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.