Home / 55,550.88-76,663.60-31,682.16

Finding the Fourth Proportional to 55,550.88, 76,663.60 and 31,682.16

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Solution

The fourth proportional to 55,550.88, 76,663.60 and 31,682.16 is: 43,723.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,550.88 : 76,663.60 = 31,682.16 : x
  2. Step 2: Convert to fraction form
    55,550.88/76,663.60 = 31,682.16/x
  3. Step 3: Cross multiply
    55,550.88x = 76,663.60 × 31,682.16
  4. Step 4: Simplify right side
    55,550.88x = 2,428,868,441.38
  5. Step 5: Solve for x
    x = 2,428,868,441.38/55,550.88
  6. Step 6: Final answer
    x = 43,723.31

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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.