Home / 85,736.70-118,320.93-51,744.69

Finding the Fourth Proportional to 85,736.70, 118,320.93 and 51,744.69

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Solution

The fourth proportional to 85,736.70, 118,320.93 and 51,744.69 is: 71,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,736.70 : 118,320.93 = 51,744.69 : x
  2. Step 2: Convert to fraction form
    85,736.70/118,320.93 = 51,744.69/x
  3. Step 3: Cross multiply
    85,736.70x = 118,320.93 × 51,744.69
  4. Step 4: Simplify right side
    85,736.70x = 6,122,479,843.36
  5. Step 5: Solve for x
    x = 6,122,479,843.36/85,736.70
  6. Step 6: Final answer
    x = 71,410.26

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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.