Home / 54,317.52-74,879.69-38,135.57

Finding the Fourth Proportional to 54,317.52, 74,879.69 and 38,135.57

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Solution

The fourth proportional to 54,317.52, 74,879.69 and 38,135.57 is: 52,571.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,317.52 : 74,879.69 = 38,135.57 : x
  2. Step 2: Convert to fraction form
    54,317.52/74,879.69 = 38,135.57/x
  3. Step 3: Cross multiply
    54,317.52x = 74,879.69 × 38,135.57
  4. Step 4: Simplify right side
    54,317.52x = 2,855,579,094.50
  5. Step 5: Solve for x
    x = 2,855,579,094.50/54,317.52
  6. Step 6: Final answer
    x = 52,571.97

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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.