Home / 88,231.10-121,759.66-47,944.87

Finding the Fourth Proportional to 88,231.10, 121,759.66 and 47,944.87

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Solution

The fourth proportional to 88,231.10, 121,759.66 and 47,944.87 is: 66,164.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,231.10 : 121,759.66 = 47,944.87 : x
  2. Step 2: Convert to fraction form
    88,231.10/121,759.66 = 47,944.87/x
  3. Step 3: Cross multiply
    88,231.10x = 121,759.66 × 47,944.87
  4. Step 4: Simplify right side
    88,231.10x = 5,837,751,069.94
  5. Step 5: Solve for x
    x = 5,837,751,069.94/88,231.10
  6. Step 6: Final answer
    x = 66,164.32

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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.