Home / 60,789.64-91,216.04-45,994.16

Finding the Fourth Proportional to 60,789.64, 91,216.04 and 45,994.16

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Solution

The fourth proportional to 60,789.64, 91,216.04 and 45,994.16 is: 69,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,789.64 : 91,216.04 = 45,994.16 : x
  2. Step 2: Convert to fraction form
    60,789.64/91,216.04 = 45,994.16/x
  3. Step 3: Cross multiply
    60,789.64x = 91,216.04 × 45,994.16
  4. Step 4: Simplify right side
    60,789.64x = 4,195,405,138.33
  5. Step 5: Solve for x
    x = 4,195,405,138.33/60,789.64
  6. Step 6: Final answer
    x = 69,015.13

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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.