Home / 55,389.80-76,435.99-34,168.52

Finding the Fourth Proportional to 55,389.80, 76,435.99 and 34,168.52

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Solution

The fourth proportional to 55,389.80, 76,435.99 and 34,168.52 is: 47,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,389.80 : 76,435.99 = 34,168.52 : x
  2. Step 2: Convert to fraction form
    55,389.80/76,435.99 = 34,168.52/x
  3. Step 3: Cross multiply
    55,389.80x = 76,435.99 × 34,168.52
  4. Step 4: Simplify right side
    55,389.80x = 2,611,704,185.43
  5. Step 5: Solve for x
    x = 2,611,704,185.43/55,389.80
  6. Step 6: Final answer
    x = 47,151.36

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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.