Home / 55,493.05-76,580.74-29,999.36

Finding the Fourth Proportional to 55,493.05, 76,580.74 and 29,999.36

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Solution

The fourth proportional to 55,493.05, 76,580.74 and 29,999.36 is: 41,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,493.05 : 76,580.74 = 29,999.36 : x
  2. Step 2: Convert to fraction form
    55,493.05/76,580.74 = 29,999.36/x
  3. Step 3: Cross multiply
    55,493.05x = 76,580.74 × 29,999.36
  4. Step 4: Simplify right side
    55,493.05x = 2,297,373,417.28
  5. Step 5: Solve for x
    x = 2,297,373,417.28/55,493.05
  6. Step 6: Final answer
    x = 41,399.30

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1.5x scale

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.