Home / 91,175.82-125,723.43-59,285.58

Finding the Fourth Proportional to 91,175.82, 125,723.43 and 59,285.58

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Solution

The fourth proportional to 91,175.82, 125,723.43 and 59,285.58 is: 81,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,175.82 : 125,723.43 = 59,285.58 : x
  2. Step 2: Convert to fraction form
    91,175.82/125,723.43 = 59,285.58/x
  3. Step 3: Cross multiply
    91,175.82x = 125,723.43 × 59,285.58
  4. Step 4: Simplify right side
    91,175.82x = 7,453,586,467.14
  5. Step 5: Solve for x
    x = 7,453,586,467.14/91,175.82
  6. Step 6: Final answer
    x = 81,749.60

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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.