Home / 53,780.53-80,681.69-22,615.75

Finding the Fourth Proportional to 53,780.53, 80,681.69 and 22,615.75

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Solution

The fourth proportional to 53,780.53, 80,681.69 and 22,615.75 is: 33,928.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,780.53 : 80,681.69 = 22,615.75 : x
  2. Step 2: Convert to fraction form
    53,780.53/80,681.69 = 22,615.75/x
  3. Step 3: Cross multiply
    53,780.53x = 80,681.69 × 22,615.75
  4. Step 4: Simplify right side
    53,780.53x = 1,824,676,930.62
  5. Step 5: Solve for x
    x = 1,824,676,930.62/53,780.53
  6. Step 6: Final answer
    x = 33,928.21

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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.