Home / 53,144.07-73,328.07-40,393.86

Finding the Fourth Proportional to 53,144.07, 73,328.07 and 40,393.86

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Solution

The fourth proportional to 53,144.07, 73,328.07 and 40,393.86 is: 55,735.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,144.07 : 73,328.07 = 40,393.86 : x
  2. Step 2: Convert to fraction form
    53,144.07/73,328.07 = 40,393.86/x
  3. Step 3: Cross multiply
    53,144.07x = 73,328.07 × 40,393.86
  4. Step 4: Simplify right side
    53,144.07x = 2,962,003,793.65
  5. Step 5: Solve for x
    x = 2,962,003,793.65/53,144.07
  6. Step 6: Final answer
    x = 55,735.36

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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.