Home / 53,450.42-73,712.85-45,894.38

Finding the Fourth Proportional to 53,450.42, 73,712.85 and 45,894.38

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Solution

The fourth proportional to 53,450.42, 73,712.85 and 45,894.38 is: 63,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,450.42 : 73,712.85 = 45,894.38 : x
  2. Step 2: Convert to fraction form
    53,450.42/73,712.85 = 45,894.38/x
  3. Step 3: Cross multiply
    53,450.42x = 73,712.85 × 45,894.38
  4. Step 4: Simplify right side
    53,450.42x = 3,383,005,548.78
  5. Step 5: Solve for x
    x = 3,383,005,548.78/53,450.42
  6. Step 6: Final answer
    x = 63,292.40

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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.