Home / 75,249.90-103,824.19-46,555.78

Finding the Fourth Proportional to 75,249.90, 103,824.19 and 46,555.78

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Solution

The fourth proportional to 75,249.90, 103,824.19 and 46,555.78 is: 64,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,249.90 : 103,824.19 = 46,555.78 : x
  2. Step 2: Convert to fraction form
    75,249.90/103,824.19 = 46,555.78/x
  3. Step 3: Cross multiply
    75,249.90x = 103,824.19 × 46,555.78
  4. Step 4: Simplify right side
    75,249.90x = 4,833,616,148.32
  5. Step 5: Solve for x
    x = 4,833,616,148.32/75,249.90
  6. Step 6: Final answer
    x = 64,234.19

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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.