Home / 54,511.69-75,204.77-40,205.86

Finding the Fourth Proportional to 54,511.69, 75,204.77 and 40,205.86

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Solution

The fourth proportional to 54,511.69, 75,204.77 and 40,205.86 is: 55,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,511.69 : 75,204.77 = 40,205.86 : x
  2. Step 2: Convert to fraction form
    54,511.69/75,204.77 = 40,205.86/x
  3. Step 3: Cross multiply
    54,511.69x = 75,204.77 × 40,205.86
  4. Step 4: Simplify right side
    54,511.69x = 3,023,672,554.47
  5. Step 5: Solve for x
    x = 3,023,672,554.47/54,511.69
  6. Step 6: Final answer
    x = 55,468.33

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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.