Home / 55,015.14-75,921.09-29,864.64

Finding the Fourth Proportional to 55,015.14, 75,921.09 and 29,864.64

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Solution

The fourth proportional to 55,015.14, 75,921.09 and 29,864.64 is: 41,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,015.14 : 75,921.09 = 29,864.64 : x
  2. Step 2: Convert to fraction form
    55,015.14/75,921.09 = 29,864.64/x
  3. Step 3: Cross multiply
    55,015.14x = 75,921.09 × 29,864.64
  4. Step 4: Simplify right side
    55,015.14x = 2,267,356,021.26
  5. Step 5: Solve for x
    x = 2,267,356,021.26/55,015.14
  6. Step 6: Final answer
    x = 41,213.31

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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.