Home / 99,022.56-136,652.48-54,313.44

Finding the Fourth Proportional to 99,022.56, 136,652.48 and 54,313.44

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Solution

The fourth proportional to 99,022.56, 136,652.48 and 54,313.44 is: 74,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,022.56 : 136,652.48 = 54,313.44 : x
  2. Step 2: Convert to fraction form
    99,022.56/136,652.48 = 54,313.44/x
  3. Step 3: Cross multiply
    99,022.56x = 136,652.48 × 54,313.44
  4. Step 4: Simplify right side
    99,022.56x = 7,422,066,273.33
  5. Step 5: Solve for x
    x = 7,422,066,273.33/99,022.56
  6. Step 6: Final answer
    x = 74,953.29

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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.