Home / 68,782.13-94,809.62-54,222.57

Finding the Fourth Proportional to 68,782.13, 94,809.62 and 54,222.57

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Solution

The fourth proportional to 68,782.13, 94,809.62 and 54,222.57 is: 74,740.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,782.13 : 94,809.62 = 54,222.57 : x
  2. Step 2: Convert to fraction form
    68,782.13/94,809.62 = 54,222.57/x
  3. Step 3: Cross multiply
    68,782.13x = 94,809.62 × 54,222.57
  4. Step 4: Simplify right side
    68,782.13x = 5,140,821,392.68
  5. Step 5: Solve for x
    x = 5,140,821,392.68/68,782.13
  6. Step 6: Final answer
    x = 74,740.66

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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.