Home / 55,249.37-76,244.66-31,376.21

Finding the Fourth Proportional to 55,249.37, 76,244.66 and 31,376.21

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Solution

The fourth proportional to 55,249.37, 76,244.66 and 31,376.21 is: 43,299.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,249.37 : 76,244.66 = 31,376.21 : x
  2. Step 2: Convert to fraction form
    55,249.37/76,244.66 = 31,376.21/x
  3. Step 3: Cross multiply
    55,249.37x = 76,244.66 × 31,376.21
  4. Step 4: Simplify right side
    55,249.37x = 2,392,267,925.43
  5. Step 5: Solve for x
    x = 2,392,267,925.43/55,249.37
  6. Step 6: Final answer
    x = 43,299.46

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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.