Home / 91,073.27-125,681.66-50,789.58

Finding the Fourth Proportional to 91,073.27, 125,681.66 and 50,789.58

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Solution

The fourth proportional to 91,073.27, 125,681.66 and 50,789.58 is: 70,089.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,073.27 : 125,681.66 = 50,789.58 : x
  2. Step 2: Convert to fraction form
    91,073.27/125,681.66 = 50,789.58/x
  3. Step 3: Cross multiply
    91,073.27x = 125,681.66 × 50,789.58
  4. Step 4: Simplify right side
    91,073.27x = 6,383,318,471.15
  5. Step 5: Solve for x
    x = 6,383,318,471.15/91,073.27
  6. Step 6: Final answer
    x = 70,089.93

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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.