Home / 75,288.32-103,900.86-41,298.02

Finding the Fourth Proportional to 75,288.32, 103,900.86 and 41,298.02

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Solution

The fourth proportional to 75,288.32, 103,900.86 and 41,298.02 is: 56,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,288.32 : 103,900.86 = 41,298.02 : x
  2. Step 2: Convert to fraction form
    75,288.32/103,900.86 = 41,298.02/x
  3. Step 3: Cross multiply
    75,288.32x = 103,900.86 × 41,298.02
  4. Step 4: Simplify right side
    75,288.32x = 4,290,899,794.30
  5. Step 5: Solve for x
    x = 4,290,899,794.30/75,288.32
  6. Step 6: Final answer
    x = 56,992.90

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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.