Home / 61,529.45-84,917.49-38,867.35

Finding the Fourth Proportional to 61,529.45, 84,917.49 and 38,867.35

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Solution

The fourth proportional to 61,529.45, 84,917.49 and 38,867.35 is: 53,641.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,529.45 : 84,917.49 = 38,867.35 : x
  2. Step 2: Convert to fraction form
    61,529.45/84,917.49 = 38,867.35/x
  3. Step 3: Cross multiply
    61,529.45x = 84,917.49 × 38,867.35
  4. Step 4: Simplify right side
    61,529.45x = 3,300,517,471.20
  5. Step 5: Solve for x
    x = 3,300,517,471.20/61,529.45
  6. Step 6: Final answer
    x = 53,641.27

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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.