Home / 53,391.36-80,447.43-44,235.12

Finding the Fourth Proportional to 53,391.36, 80,447.43 and 44,235.12

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Solution

The fourth proportional to 53,391.36, 80,447.43 and 44,235.12 is: 66,651.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,391.36 : 80,447.43 = 44,235.12 : x
  2. Step 2: Convert to fraction form
    53,391.36/80,447.43 = 44,235.12/x
  3. Step 3: Cross multiply
    53,391.36x = 80,447.43 × 44,235.12
  4. Step 4: Simplify right side
    53,391.36x = 3,558,601,719.74
  5. Step 5: Solve for x
    x = 3,558,601,719.74/53,391.36
  6. Step 6: Final answer
    x = 66,651.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.