Home / 55,072.45-75,999.04-29,921.77

Finding the Fourth Proportional to 55,072.45, 75,999.04 and 29,921.77

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Solution

The fourth proportional to 55,072.45, 75,999.04 and 29,921.77 is: 41,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,072.45 : 75,999.04 = 29,921.77 : x
  2. Step 2: Convert to fraction form
    55,072.45/75,999.04 = 29,921.77/x
  3. Step 3: Cross multiply
    55,072.45x = 75,999.04 × 29,921.77
  4. Step 4: Simplify right side
    55,072.45x = 2,274,025,795.10
  5. Step 5: Solve for x
    x = 2,274,025,795.10/55,072.45
  6. Step 6: Final answer
    x = 41,291.53

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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.