Home / 88,046.40-131,972.40-48,631.80

Finding the Fourth Proportional to 88,046.40, 131,972.40 and 48,631.80

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Solution

The fourth proportional to 88,046.40, 131,972.40 and 48,631.80 is: 72,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,046.40 : 131,972.40 = 48,631.80 : x
  2. Step 2: Convert to fraction form
    88,046.40/131,972.40 = 48,631.80/x
  3. Step 3: Cross multiply
    88,046.40x = 131,972.40 × 48,631.80
  4. Step 4: Simplify right side
    88,046.40x = 6,418,055,362.32
  5. Step 5: Solve for x
    x = 6,418,055,362.32/88,046.40
  6. Step 6: Final answer
    x = 72,894.01

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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.