Home / 91,120.33-125,761.98-58,894.48

Finding the Fourth Proportional to 91,120.33, 125,761.98 and 58,894.48

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Solution

The fourth proportional to 91,120.33, 125,761.98 and 58,894.48 is: 81,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,120.33 : 125,761.98 = 58,894.48 : x
  2. Step 2: Convert to fraction form
    91,120.33/125,761.98 = 58,894.48/x
  3. Step 3: Cross multiply
    91,120.33x = 125,761.98 × 58,894.48
  4. Step 4: Simplify right side
    91,120.33x = 7,406,686,415.87
  5. Step 5: Solve for x
    x = 7,406,686,415.87/91,120.33
  6. Step 6: Final answer
    x = 81,284.68

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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.