Home / 75,349.44-113,475.33-68,623.34

Finding the Fourth Proportional to 75,349.44, 113,475.33 and 68,623.34

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Solution

The fourth proportional to 75,349.44, 113,475.33 and 68,623.34 is: 103,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,349.44 : 113,475.33 = 68,623.34 : x
  2. Step 2: Convert to fraction form
    75,349.44/113,475.33 = 68,623.34/x
  3. Step 3: Cross multiply
    75,349.44x = 113,475.33 × 68,623.34
  4. Step 4: Simplify right side
    75,349.44x = 7,787,055,584.83
  5. Step 5: Solve for x
    x = 7,787,055,584.83/75,349.44
  6. Step 6: Final answer
    x = 103,345.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.