Home / 75,920.96-104,772.40-44,078.24

Finding the Fourth Proportional to 75,920.96, 104,772.40 and 44,078.24

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Solution

The fourth proportional to 75,920.96, 104,772.40 and 44,078.24 is: 60,828.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,920.96 : 104,772.40 = 44,078.24 : x
  2. Step 2: Convert to fraction form
    75,920.96/104,772.40 = 44,078.24/x
  3. Step 3: Cross multiply
    75,920.96x = 104,772.40 × 44,078.24
  4. Step 4: Simplify right side
    75,920.96x = 4,618,182,992.58
  5. Step 5: Solve for x
    x = 4,618,182,992.58/75,920.96
  6. Step 6: Final answer
    x = 60,828.83

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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.