Home / 88,099.20-131,878.80-48,535.20

Finding the Fourth Proportional to 88,099.20, 131,878.80 and 48,535.20

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Solution

The fourth proportional to 88,099.20, 131,878.80 and 48,535.20 is: 72,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,099.20 : 131,878.80 = 48,535.20 : x
  2. Step 2: Convert to fraction form
    88,099.20/131,878.80 = 48,535.20/x
  3. Step 3: Cross multiply
    88,099.20x = 131,878.80 × 48,535.20
  4. Step 4: Simplify right side
    88,099.20x = 6,400,763,933.76
  5. Step 5: Solve for x
    x = 6,400,763,933.76/88,099.20
  6. Step 6: Final answer
    x = 72,654.05

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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.