Home / 53,120.72-73,305.55-29,247.79

Finding the Fourth Proportional to 53,120.72, 73,305.55 and 29,247.79

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Solution

The fourth proportional to 53,120.72, 73,305.55 and 29,247.79 is: 40,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,120.72 : 73,305.55 = 29,247.79 : x
  2. Step 2: Convert to fraction form
    53,120.72/73,305.55 = 29,247.79/x
  3. Step 3: Cross multiply
    53,120.72x = 73,305.55 × 29,247.79
  4. Step 4: Simplify right side
    53,120.72x = 2,144,025,332.23
  5. Step 5: Solve for x
    x = 2,144,025,332.23/53,120.72
  6. Step 6: Final answer
    x = 40,361.38

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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.