Home / 75,125.43-103,669.14-41,127.39

Finding the Fourth Proportional to 75,125.43, 103,669.14 and 41,127.39

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Solution

The fourth proportional to 75,125.43, 103,669.14 and 41,127.39 is: 56,753.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,125.43 : 103,669.14 = 41,127.39 : x
  2. Step 2: Convert to fraction form
    75,125.43/103,669.14 = 41,127.39/x
  3. Step 3: Cross multiply
    75,125.43x = 103,669.14 × 41,127.39
  4. Step 4: Simplify right side
    75,125.43x = 4,263,641,151.74
  5. Step 5: Solve for x
    x = 4,263,641,151.74/75,125.43
  6. Step 6: Final answer
    x = 56,753.63

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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.