Home / 108,002.87-161,985.62-48,824.78

Finding the Fourth Proportional to 108,002.87, 161,985.62 and 48,824.78

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Solution

The fourth proportional to 108,002.87, 161,985.62 and 48,824.78 is: 73,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,002.87 : 161,985.62 = 48,824.78 : x
  2. Step 2: Convert to fraction form
    108,002.87/161,985.62 = 48,824.78/x
  3. Step 3: Cross multiply
    108,002.87x = 161,985.62 × 48,824.78
  4. Step 4: Simplify right side
    108,002.87x = 7,908,911,571.80
  5. Step 5: Solve for x
    x = 7,908,911,571.80/108,002.87
  6. Step 6: Final answer
    x = 73,228.72

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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.