Home / 79,247.56-109,364.32-43,437.58

Finding the Fourth Proportional to 79,247.56, 109,364.32 and 43,437.58

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Solution

The fourth proportional to 79,247.56, 109,364.32 and 43,437.58 is: 59,945.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,247.56 : 109,364.32 = 43,437.58 : x
  2. Step 2: Convert to fraction form
    79,247.56/109,364.32 = 43,437.58/x
  3. Step 3: Cross multiply
    79,247.56x = 109,364.32 × 43,437.58
  4. Step 4: Simplify right side
    79,247.56x = 4,750,521,399.15
  5. Step 5: Solve for x
    x = 4,750,521,399.15/79,247.56
  6. Step 6: Final answer
    x = 59,945.33

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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.