Home / 75,216.87-112,840.83-30,842.64

Finding the Fourth Proportional to 75,216.87, 112,840.83 and 30,842.64

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Solution

The fourth proportional to 75,216.87, 112,840.83 and 30,842.64 is: 46,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,216.87 : 112,840.83 = 30,842.64 : x
  2. Step 2: Convert to fraction form
    75,216.87/112,840.83 = 30,842.64/x
  3. Step 3: Cross multiply
    75,216.87x = 112,840.83 × 30,842.64
  4. Step 4: Simplify right side
    75,216.87x = 3,480,309,096.99
  5. Step 5: Solve for x
    x = 3,480,309,096.99/75,216.87
  6. Step 6: Final answer
    x = 46,270.33

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1.5x scale

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.