Home / 62,867.71-86,777.81-40,267.54

Finding the Fourth Proportional to 62,867.71, 86,777.81 and 40,267.54

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Solution

The fourth proportional to 62,867.71, 86,777.81 and 40,267.54 is: 55,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,867.71 : 86,777.81 = 40,267.54 : x
  2. Step 2: Convert to fraction form
    62,867.71/86,777.81 = 40,267.54/x
  3. Step 3: Cross multiply
    62,867.71x = 86,777.81 × 40,267.54
  4. Step 4: Simplify right side
    62,867.71x = 3,494,328,935.29
  5. Step 5: Solve for x
    x = 3,494,328,935.29/62,867.71
  6. Step 6: Final answer
    x = 55,582.25

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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.