Home / 78,632.32-117,936.96-23,232.64

Finding the Fourth Proportional to 78,632.32, 117,936.96 and 23,232.64

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Solution

The fourth proportional to 78,632.32, 117,936.96 and 23,232.64 is: 34,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,632.32 : 117,936.96 = 23,232.64 : x
  2. Step 2: Convert to fraction form
    78,632.32/117,936.96 = 23,232.64/x
  3. Step 3: Cross multiply
    78,632.32x = 117,936.96 × 23,232.64
  4. Step 4: Simplify right side
    78,632.32x = 2,739,986,934.37
  5. Step 5: Solve for x
    x = 2,739,986,934.37/78,632.32
  6. Step 6: Final answer
    x = 34,845.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.