Home / 115,048.64-158,729.06-67,268.15

Finding the Fourth Proportional to 115,048.64, 158,729.06 and 67,268.15

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Solution

The fourth proportional to 115,048.64, 158,729.06 and 67,268.15 is: 92,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,048.64 : 158,729.06 = 67,268.15 : x
  2. Step 2: Convert to fraction form
    115,048.64/158,729.06 = 67,268.15/x
  3. Step 3: Cross multiply
    115,048.64x = 158,729.06 × 67,268.15
  4. Step 4: Simplify right side
    115,048.64x = 10,677,410,782.43
  5. Step 5: Solve for x
    x = 10,677,410,782.43/115,048.64
  6. Step 6: Final answer
    x = 92,807.80

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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.