Home / 91,097.55-125,773.11-57,152.61

Finding the Fourth Proportional to 91,097.55, 125,773.11 and 57,152.61

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Solution

The fourth proportional to 91,097.55, 125,773.11 and 57,152.61 is: 78,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,097.55 : 125,773.11 = 57,152.61 : x
  2. Step 2: Convert to fraction form
    91,097.55/125,773.11 = 57,152.61/x
  3. Step 3: Cross multiply
    91,097.55x = 125,773.11 × 57,152.61
  4. Step 4: Simplify right side
    91,097.55x = 7,188,261,504.32
  5. Step 5: Solve for x
    x = 7,188,261,504.32/91,097.55
  6. Step 6: Final answer
    x = 78,907.30

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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.