Home / 91,440.53-125,907.54-80,046.26

Finding the Fourth Proportional to 91,440.53, 125,907.54 and 80,046.26

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Solution

The fourth proportional to 91,440.53, 125,907.54 and 80,046.26 is: 110,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,440.53 : 125,907.54 = 80,046.26 : x
  2. Step 2: Convert to fraction form
    91,440.53/125,907.54 = 80,046.26/x
  3. Step 3: Cross multiply
    91,440.53x = 125,907.54 × 80,046.26
  4. Step 4: Simplify right side
    91,440.53x = 10,078,427,682.80
  5. Step 5: Solve for x
    x = 10,078,427,682.80/91,440.53
  6. Step 6: Final answer
    x = 110,218.39

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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.