Home / 55,168.96-82,766.40-15,726.64

Finding the Fourth Proportional to 55,168.96, 82,766.40 and 15,726.64

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Solution

The fourth proportional to 55,168.96, 82,766.40 and 15,726.64 is: 23,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,168.96 : 82,766.40 = 15,726.64 : x
  2. Step 2: Convert to fraction form
    55,168.96/82,766.40 = 15,726.64/x
  3. Step 3: Cross multiply
    55,168.96x = 82,766.40 × 15,726.64
  4. Step 4: Simplify right side
    55,168.96x = 1,301,637,376.90
  5. Step 5: Solve for x
    x = 1,301,637,376.90/55,168.96
  6. Step 6: Final answer
    x = 23,593.65

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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.