Home / 55,227.92-76,213.32-31,354.16

Finding the Fourth Proportional to 55,227.92, 76,213.32 and 31,354.16

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Solution

The fourth proportional to 55,227.92, 76,213.32 and 31,354.16 is: 43,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,227.92 : 76,213.32 = 31,354.16 : x
  2. Step 2: Convert to fraction form
    55,227.92/76,213.32 = 31,354.16/x
  3. Step 3: Cross multiply
    55,227.92x = 76,213.32 × 31,354.16
  4. Step 4: Simplify right side
    55,227.92x = 2,389,604,629.41
  5. Step 5: Solve for x
    x = 2,389,604,629.41/55,227.92
  6. Step 6: Final answer
    x = 43,268.05

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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.