Home / 75,091.20-112,345.20-48,847.20

Finding the Fourth Proportional to 75,091.20, 112,345.20 and 48,847.20

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Solution

The fourth proportional to 75,091.20, 112,345.20 and 48,847.20 is: 73,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,091.20 : 112,345.20 = 48,847.20 : x
  2. Step 2: Convert to fraction form
    75,091.20/112,345.20 = 48,847.20/x
  3. Step 3: Cross multiply
    75,091.20x = 112,345.20 × 48,847.20
  4. Step 4: Simplify right side
    75,091.20x = 5,487,748,453.44
  5. Step 5: Solve for x
    x = 5,487,748,453.44/75,091.20
  6. Step 6: Final answer
    x = 73,081.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.