Home / 58,747.41-81,113.58-36,116.78

Finding the Fourth Proportional to 58,747.41, 81,113.58 and 36,116.78

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Solution

The fourth proportional to 58,747.41, 81,113.58 and 36,116.78 is: 49,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,747.41 : 81,113.58 = 36,116.78 : x
  2. Step 2: Convert to fraction form
    58,747.41/81,113.58 = 36,116.78/x
  3. Step 3: Cross multiply
    58,747.41x = 81,113.58 × 36,116.78
  4. Step 4: Simplify right side
    58,747.41x = 2,929,560,918.30
  5. Step 5: Solve for x
    x = 2,929,560,918.30/58,747.41
  6. Step 6: Final answer
    x = 49,867.07

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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.