Home / 48,583.20-72,939.60-31,087.20

Finding the Fourth Proportional to 48,583.20, 72,939.60 and 31,087.20

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Solution

The fourth proportional to 48,583.20, 72,939.60 and 31,087.20 is: 46,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,583.20 : 72,939.60 = 31,087.20 : x
  2. Step 2: Convert to fraction form
    48,583.20/72,939.60 = 31,087.20/x
  3. Step 3: Cross multiply
    48,583.20x = 72,939.60 × 31,087.20
  4. Step 4: Simplify right side
    48,583.20x = 2,267,487,933.12
  5. Step 5: Solve for x
    x = 2,267,487,933.12/48,583.20
  6. Step 6: Final answer
    x = 46,672.26

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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.