Home / 103,621.64-155,432.43-41,335.88

Finding the Fourth Proportional to 103,621.64, 155,432.43 and 41,335.88

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Solution

The fourth proportional to 103,621.64, 155,432.43 and 41,335.88 is: 62,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.64 : 155,432.43 = 41,335.88 : x
  2. Step 2: Convert to fraction form
    103,621.64/155,432.43 = 41,335.88/x
  3. Step 3: Cross multiply
    103,621.64x = 155,432.43 × 41,335.88
  4. Step 4: Simplify right side
    103,621.64x = 6,424,936,274.59
  5. Step 5: Solve for x
    x = 6,424,936,274.59/103,621.64
  6. Step 6: Final answer
    x = 62,003.81

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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.