Home / 86,913.24-119,940.32-47,169.24

Finding the Fourth Proportional to 86,913.24, 119,940.32 and 47,169.24

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Solution

The fourth proportional to 86,913.24, 119,940.32 and 47,169.24 is: 65,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,913.24 : 119,940.32 = 47,169.24 : x
  2. Step 2: Convert to fraction form
    86,913.24/119,940.32 = 47,169.24/x
  3. Step 3: Cross multiply
    86,913.24x = 119,940.32 × 47,169.24
  4. Step 4: Simplify right side
    86,913.24x = 5,657,493,739.76
  5. Step 5: Solve for x
    x = 5,657,493,739.76/86,913.24
  6. Step 6: Final answer
    x = 65,093.58

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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.