Home / 48,084.54-72,126.84-31,458.54

Finding the Fourth Proportional to 48,084.54, 72,126.84 and 31,458.54

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Solution

The fourth proportional to 48,084.54, 72,126.84 and 31,458.54 is: 47,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,084.54 : 72,126.84 = 31,458.54 : x
  2. Step 2: Convert to fraction form
    48,084.54/72,126.84 = 31,458.54/x
  3. Step 3: Cross multiply
    48,084.54x = 72,126.84 × 31,458.54
  4. Step 4: Simplify right side
    48,084.54x = 2,269,005,081.21
  5. Step 5: Solve for x
    x = 2,269,005,081.21/48,084.54
  6. Step 6: Final answer
    x = 47,187.83

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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.