Home / 55,767.09-83,249.50-47,783.64

Finding the Fourth Proportional to 55,767.09, 83,249.50 and 47,783.64

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Solution

The fourth proportional to 55,767.09, 83,249.50 and 47,783.64 is: 71,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,767.09 : 83,249.50 = 47,783.64 : x
  2. Step 2: Convert to fraction form
    55,767.09/83,249.50 = 47,783.64/x
  3. Step 3: Cross multiply
    55,767.09x = 83,249.50 × 47,783.64
  4. Step 4: Simplify right side
    55,767.09x = 3,977,964,018.72
  5. Step 5: Solve for x
    x = 3,977,964,018.72/55,767.09
  6. Step 6: Final answer
    x = 71,331.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.