Home / 86,656.32-119,584.80-48,928.32

Finding the Fourth Proportional to 86,656.32, 119,584.80 and 48,928.32

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Solution

The fourth proportional to 86,656.32, 119,584.80 and 48,928.32 is: 67,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,656.32 : 119,584.80 = 48,928.32 : x
  2. Step 2: Convert to fraction form
    86,656.32/119,584.80 = 48,928.32/x
  3. Step 3: Cross multiply
    86,656.32x = 119,584.80 × 48,928.32
  4. Step 4: Simplify right side
    86,656.32x = 5,851,083,361.54
  5. Step 5: Solve for x
    x = 5,851,083,361.54/86,656.32
  6. Step 6: Final answer
    x = 67,520.56

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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.