Home / 97,876.20-146,836.19-31,320.33

Finding the Fourth Proportional to 97,876.20, 146,836.19 and 31,320.33

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Solution

The fourth proportional to 97,876.20, 146,836.19 and 31,320.33 is: 46,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,876.20 : 146,836.19 = 31,320.33 : x
  2. Step 2: Convert to fraction form
    97,876.20/146,836.19 = 31,320.33/x
  3. Step 3: Cross multiply
    97,876.20x = 146,836.19 × 31,320.33
  4. Step 4: Simplify right side
    97,876.20x = 4,598,957,926.74
  5. Step 5: Solve for x
    x = 4,598,957,926.74/97,876.20
  6. Step 6: Final answer
    x = 46,987.50

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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.