Home / 47,235.25-70,781.46-28,494.46

Finding the Fourth Proportional to 47,235.25, 70,781.46 and 28,494.46

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Solution

The fourth proportional to 47,235.25, 70,781.46 and 28,494.46 is: 42,698.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,235.25 : 70,781.46 = 28,494.46 : x
  2. Step 2: Convert to fraction form
    47,235.25/70,781.46 = 28,494.46/x
  3. Step 3: Cross multiply
    47,235.25x = 70,781.46 × 28,494.46
  4. Step 4: Simplify right side
    47,235.25x = 2,016,879,480.71
  5. Step 5: Solve for x
    x = 2,016,879,480.71/47,235.25
  6. Step 6: Final answer
    x = 42,698.61

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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.