Home / 85,181.86-127,756.32-32,579.02

Finding the Fourth Proportional to 85,181.86, 127,756.32 and 32,579.02

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Solution

The fourth proportional to 85,181.86, 127,756.32 and 32,579.02 is: 48,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,181.86 : 127,756.32 = 32,579.02 : x
  2. Step 2: Convert to fraction form
    85,181.86/127,756.32 = 32,579.02/x
  3. Step 3: Cross multiply
    85,181.86x = 127,756.32 × 32,579.02
  4. Step 4: Simplify right side
    85,181.86x = 4,162,175,704.41
  5. Step 5: Solve for x
    x = 4,162,175,704.41/85,181.86
  6. Step 6: Final answer
    x = 48,862.23

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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.