Home / 104,086.73-143,640.06-56,340.02

Finding the Fourth Proportional to 104,086.73, 143,640.06 and 56,340.02

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Solution

The fourth proportional to 104,086.73, 143,640.06 and 56,340.02 is: 77,749.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,086.73 : 143,640.06 = 56,340.02 : x
  2. Step 2: Convert to fraction form
    104,086.73/143,640.06 = 56,340.02/x
  3. Step 3: Cross multiply
    104,086.73x = 143,640.06 × 56,340.02
  4. Step 4: Simplify right side
    104,086.73x = 8,092,683,853.20
  5. Step 5: Solve for x
    x = 8,092,683,853.20/104,086.73
  6. Step 6: Final answer
    x = 77,749.43

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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.