Home / 58,843.20-81,204.12-31,985.76

Finding the Fourth Proportional to 58,843.20, 81,204.12 and 31,985.76

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Solution

The fourth proportional to 58,843.20, 81,204.12 and 31,985.76 is: 44,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,843.20 : 81,204.12 = 31,985.76 : x
  2. Step 2: Convert to fraction form
    58,843.20/81,204.12 = 31,985.76/x
  3. Step 3: Cross multiply
    58,843.20x = 81,204.12 × 31,985.76
  4. Step 4: Simplify right side
    58,843.20x = 2,597,375,493.33
  5. Step 5: Solve for x
    x = 2,597,375,493.33/58,843.20
  6. Step 6: Final answer
    x = 44,140.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.