Home / 91,175.57-125,723.09-59,285.33

Finding the Fourth Proportional to 91,175.57, 125,723.09 and 59,285.33

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Solution

The fourth proportional to 91,175.57, 125,723.09 and 59,285.33 is: 81,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,175.57 : 125,723.09 = 59,285.33 : x
  2. Step 2: Convert to fraction form
    91,175.57/125,723.09 = 59,285.33/x
  3. Step 3: Cross multiply
    91,175.57x = 125,723.09 × 59,285.33
  4. Step 4: Simplify right side
    91,175.57x = 7,453,533,954.23
  5. Step 5: Solve for x
    x = 7,453,533,954.23/91,175.57
  6. Step 6: Final answer
    x = 81,749.25

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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.