Home / 55,835.72-83,756.77-15,851.58

Finding the Fourth Proportional to 55,835.72, 83,756.77 and 15,851.58

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Solution

The fourth proportional to 55,835.72, 83,756.77 and 15,851.58 is: 23,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,835.72 : 83,756.77 = 15,851.58 : x
  2. Step 2: Convert to fraction form
    55,835.72/83,756.77 = 15,851.58/x
  3. Step 3: Cross multiply
    55,835.72x = 83,756.77 × 15,851.58
  4. Step 4: Simplify right side
    55,835.72x = 1,327,676,970.43
  5. Step 5: Solve for x
    x = 1,327,676,970.43/55,835.72
  6. Step 6: Final answer
    x = 23,778.27

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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.