Home / 77,240.64-106,591.26-43,249.44

Finding the Fourth Proportional to 77,240.64, 106,591.26 and 43,249.44

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Solution

The fourth proportional to 77,240.64, 106,591.26 and 43,249.44 is: 59,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,240.64 : 106,591.26 = 43,249.44 : x
  2. Step 2: Convert to fraction form
    77,240.64/106,591.26 = 43,249.44/x
  3. Step 3: Cross multiply
    77,240.64x = 106,591.26 × 43,249.44
  4. Step 4: Simplify right side
    77,240.64x = 4,610,012,303.89
  5. Step 5: Solve for x
    x = 4,610,012,303.89/77,240.64
  6. Step 6: Final answer
    x = 59,683.77

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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.