Home / 54,949.48-76,149.55-53,899.24

Finding the Fourth Proportional to 54,949.48, 76,149.55 and 53,899.24

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Solution

The fourth proportional to 54,949.48, 76,149.55 and 53,899.24 is: 74,694.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,949.48 : 76,149.55 = 53,899.24 : x
  2. Step 2: Convert to fraction form
    54,949.48/76,149.55 = 53,899.24/x
  3. Step 3: Cross multiply
    54,949.48x = 76,149.55 × 53,899.24
  4. Step 4: Simplify right side
    54,949.48x = 4,104,402,871.34
  5. Step 5: Solve for x
    x = 4,104,402,871.34/54,949.48
  6. Step 6: Final answer
    x = 74,694.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.