Home / 99,571.14-137,542.46-92,485.26

Finding the Fourth Proportional to 99,571.14, 137,542.46 and 92,485.26

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Solution

The fourth proportional to 99,571.14, 137,542.46 and 92,485.26 is: 127,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,571.14 : 137,542.46 = 92,485.26 : x
  2. Step 2: Convert to fraction form
    99,571.14/137,542.46 = 92,485.26/x
  3. Step 3: Cross multiply
    99,571.14x = 137,542.46 × 92,485.26
  4. Step 4: Simplify right side
    99,571.14x = 12,720,649,711.71
  5. Step 5: Solve for x
    x = 12,720,649,711.71/99,571.14
  6. Step 6: Final answer
    x = 127,754.38

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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.