Home / 53,176.68-79,772.58-18,122.04

Finding the Fourth Proportional to 53,176.68, 79,772.58 and 18,122.04

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Solution

The fourth proportional to 53,176.68, 79,772.58 and 18,122.04 is: 27,185.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,176.68 : 79,772.58 = 18,122.04 : x
  2. Step 2: Convert to fraction form
    53,176.68/79,772.58 = 18,122.04/x
  3. Step 3: Cross multiply
    53,176.68x = 79,772.58 × 18,122.04
  4. Step 4: Simplify right side
    53,176.68x = 1,445,641,885.66
  5. Step 5: Solve for x
    x = 1,445,641,885.66/53,176.68
  6. Step 6: Final answer
    x = 27,185.64

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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.