Home / 48,704.40-73,122.30-31,208.40

Finding the Fourth Proportional to 48,704.40, 73,122.30 and 31,208.40

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Solution

The fourth proportional to 48,704.40, 73,122.30 and 31,208.40 is: 46,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,704.40 : 73,122.30 = 31,208.40 : x
  2. Step 2: Convert to fraction form
    48,704.40/73,122.30 = 31,208.40/x
  3. Step 3: Cross multiply
    48,704.40x = 73,122.30 × 31,208.40
  4. Step 4: Simplify right side
    48,704.40x = 2,282,029,987.32
  5. Step 5: Solve for x
    x = 2,282,029,987.32/48,704.40
  6. Step 6: Final answer
    x = 46,854.70

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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.