Home / 83,865.14-125,793.60-31,270.51

Finding the Fourth Proportional to 83,865.14, 125,793.60 and 31,270.51

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Solution

The fourth proportional to 83,865.14, 125,793.60 and 31,270.51 is: 46,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,865.14 : 125,793.60 = 31,270.51 : x
  2. Step 2: Convert to fraction form
    83,865.14/125,793.60 = 31,270.51/x
  3. Step 3: Cross multiply
    83,865.14x = 125,793.60 × 31,270.51
  4. Step 4: Simplify right side
    83,865.14x = 3,933,630,026.74
  5. Step 5: Solve for x
    x = 3,933,630,026.74/83,865.14
  6. Step 6: Final answer
    x = 46,904.23

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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.