Home / 88,125.20-131,917.80-48,561.20

Finding the Fourth Proportional to 88,125.20, 131,917.80 and 48,561.20

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Solution

The fourth proportional to 88,125.20, 131,917.80 and 48,561.20 is: 72,693.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,125.20 : 131,917.80 = 48,561.20 : x
  2. Step 2: Convert to fraction form
    88,125.20/131,917.80 = 48,561.20/x
  3. Step 3: Cross multiply
    88,125.20x = 131,917.80 × 48,561.20
  4. Step 4: Simplify right side
    88,125.20x = 6,406,086,669.36
  5. Step 5: Solve for x
    x = 6,406,086,669.36/88,125.20
  6. Step 6: Final answer
    x = 72,693.02

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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.