Home / 88,313.71-121,872.31-48,027.36

Finding the Fourth Proportional to 88,313.71, 121,872.31 and 48,027.36

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Solution

The fourth proportional to 88,313.71, 121,872.31 and 48,027.36 is: 66,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,313.71 : 121,872.31 = 48,027.36 : x
  2. Step 2: Convert to fraction form
    88,313.71/121,872.31 = 48,027.36/x
  3. Step 3: Cross multiply
    88,313.71x = 121,872.31 × 48,027.36
  4. Step 4: Simplify right side
    88,313.71x = 5,853,205,306.40
  5. Step 5: Solve for x
    x = 5,853,205,306.40/88,313.71
  6. Step 6: Final answer
    x = 66,277.43

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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.