Home / 55,629.86-76,769.27-32,979.93

Finding the Fourth Proportional to 55,629.86, 76,769.27 and 32,979.93

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Solution

The fourth proportional to 55,629.86, 76,769.27 and 32,979.93 is: 45,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,629.86 : 76,769.27 = 32,979.93 : x
  2. Step 2: Convert to fraction form
    55,629.86/76,769.27 = 32,979.93/x
  3. Step 3: Cross multiply
    55,629.86x = 76,769.27 × 32,979.93
  4. Step 4: Simplify right side
    55,629.86x = 2,531,844,821.64
  5. Step 5: Solve for x
    x = 2,531,844,821.64/55,629.86
  6. Step 6: Final answer
    x = 45,512.34

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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.