Home / 62,558.16-93,778.92-20,976

Finding the Fourth Proportional to 62,558.16, 93,778.92 and 20,976

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Solution

The fourth proportional to 62,558.16, 93,778.92 and 20,976 is: 31,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,558.16 : 93,778.92 = 20,976 : x
  2. Step 2: Convert to fraction form
    62,558.16/93,778.92 = 20,976/x
  3. Step 3: Cross multiply
    62,558.16x = 93,778.92 × 20,976
  4. Step 4: Simplify right side
    62,558.16x = 1,967,106,625.92
  5. Step 5: Solve for x
    x = 1,967,106,625.92/62,558.16
  6. Step 6: Final answer
    x = 31,444.45

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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.