Home / 91,190.14-125,840.29-50,907.63

Finding the Fourth Proportional to 91,190.14, 125,840.29 and 50,907.63

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Solution

The fourth proportional to 91,190.14, 125,840.29 and 50,907.63 is: 70,251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,190.14 : 125,840.29 = 50,907.63 : x
  2. Step 2: Convert to fraction form
    91,190.14/125,840.29 = 50,907.63/x
  3. Step 3: Cross multiply
    91,190.14x = 125,840.29 × 50,907.63
  4. Step 4: Simplify right side
    91,190.14x = 6,406,230,922.41
  5. Step 5: Solve for x
    x = 6,406,230,922.41/91,190.14
  6. Step 6: Final answer
    x = 70,251.36

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1.5x scale

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.