Home / 45,811.80-68,717.70-41,146.20

Finding the Fourth Proportional to 45,811.80, 68,717.70 and 41,146.20

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Solution

The fourth proportional to 45,811.80, 68,717.70 and 41,146.20 is: 61,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,811.80 : 68,717.70 = 41,146.20 : x
  2. Step 2: Convert to fraction form
    45,811.80/68,717.70 = 41,146.20/x
  3. Step 3: Cross multiply
    45,811.80x = 68,717.70 × 41,146.20
  4. Step 4: Simplify right side
    45,811.80x = 2,827,472,227.74
  5. Step 5: Solve for x
    x = 2,827,472,227.74/45,811.80
  6. Step 6: Final answer
    x = 61,719.30

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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.