Home / 82,868.70-114,358.77-45,142.95

Finding the Fourth Proportional to 82,868.70, 114,358.77 and 45,142.95

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Solution

The fourth proportional to 82,868.70, 114,358.77 and 45,142.95 is: 62,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,868.70 : 114,358.77 = 45,142.95 : x
  2. Step 2: Convert to fraction form
    82,868.70/114,358.77 = 45,142.95/x
  3. Step 3: Cross multiply
    82,868.70x = 114,358.77 × 45,142.95
  4. Step 4: Simplify right side
    82,868.70x = 5,162,492,236.17
  5. Step 5: Solve for x
    x = 5,162,492,236.17/82,868.70
  6. Step 6: Final answer
    x = 62,297.25

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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.