Home / 81,545.94-122,162.58-62,797.68

Finding the Fourth Proportional to 81,545.94, 122,162.58 and 62,797.68

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Solution

The fourth proportional to 81,545.94, 122,162.58 and 62,797.68 is: 94,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,545.94 : 122,162.58 = 62,797.68 : x
  2. Step 2: Convert to fraction form
    81,545.94/122,162.58 = 62,797.68/x
  3. Step 3: Cross multiply
    81,545.94x = 122,162.58 × 62,797.68
  4. Step 4: Simplify right side
    81,545.94x = 7,671,526,606.81
  5. Step 5: Solve for x
    x = 7,671,526,606.81/81,545.94
  6. Step 6: Final answer
    x = 94,076.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.