Home / 82,872.19-114,363.63-45,146.44

Finding the Fourth Proportional to 82,872.19, 114,363.63 and 45,146.44

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Solution

The fourth proportional to 82,872.19, 114,363.63 and 45,146.44 is: 62,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,872.19 : 114,363.63 = 45,146.44 : x
  2. Step 2: Convert to fraction form
    82,872.19/114,363.63 = 45,146.44/x
  3. Step 3: Cross multiply
    82,872.19x = 114,363.63 × 45,146.44
  4. Step 4: Simplify right side
    82,872.19x = 5,163,110,902.93
  5. Step 5: Solve for x
    x = 5,163,110,902.93/82,872.19
  6. Step 6: Final answer
    x = 62,302.09

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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.