Home / 53,174.54-73,358.25-39,002.78

Finding the Fourth Proportional to 53,174.54, 73,358.25 and 39,002.78

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Solution

The fourth proportional to 53,174.54, 73,358.25 and 39,002.78 is: 53,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,174.54 : 73,358.25 = 39,002.78 : x
  2. Step 2: Convert to fraction form
    53,174.54/73,358.25 = 39,002.78/x
  3. Step 3: Cross multiply
    53,174.54x = 73,358.25 × 39,002.78
  4. Step 4: Simplify right side
    53,174.54x = 2,861,175,685.94
  5. Step 5: Solve for x
    x = 2,861,175,685.94/53,174.54
  6. Step 6: Final answer
    x = 53,807.25

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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.