Home / 91,095.58-125,770.38-57,150.58

Finding the Fourth Proportional to 91,095.58, 125,770.38 and 57,150.58

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Solution

The fourth proportional to 91,095.58, 125,770.38 and 57,150.58 is: 78,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,095.58 : 125,770.38 = 57,150.58 : x
  2. Step 2: Convert to fraction form
    91,095.58/125,770.38 = 57,150.58/x
  3. Step 3: Cross multiply
    91,095.58x = 125,770.38 × 57,150.58
  4. Step 4: Simplify right side
    91,095.58x = 7,187,850,163.82
  5. Step 5: Solve for x
    x = 7,187,850,163.82/91,095.58
  6. Step 6: Final answer
    x = 78,904.49

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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.