Home / 103,542.77-155,314.14-33,432.41

Finding the Fourth Proportional to 103,542.77, 155,314.14 and 33,432.41

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Solution

The fourth proportional to 103,542.77, 155,314.14 and 33,432.41 is: 50,148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,542.77 : 155,314.14 = 33,432.41 : x
  2. Step 2: Convert to fraction form
    103,542.77/155,314.14 = 33,432.41/x
  3. Step 3: Cross multiply
    103,542.77x = 155,314.14 × 33,432.41
  4. Step 4: Simplify right side
    103,542.77x = 5,192,525,230.71
  5. Step 5: Solve for x
    x = 5,192,525,230.71/103,542.77
  6. Step 6: Final answer
    x = 50,148.61

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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.