Home / 75,137.20-103,672.28-44,917.52

Finding the Fourth Proportional to 75,137.20, 103,672.28 and 44,917.52

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Solution

The fourth proportional to 75,137.20, 103,672.28 and 44,917.52 is: 61,975.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,137.20 : 103,672.28 = 44,917.52 : x
  2. Step 2: Convert to fraction form
    75,137.20/103,672.28 = 44,917.52/x
  3. Step 3: Cross multiply
    75,137.20x = 103,672.28 × 44,917.52
  4. Step 4: Simplify right side
    75,137.20x = 4,656,701,710.35
  5. Step 5: Solve for x
    x = 4,656,701,710.35/75,137.20
  6. Step 6: Final answer
    x = 61,975.98

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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.