Home / 46,321.16-69,142.75-39,789.32

Finding the Fourth Proportional to 46,321.16, 69,142.75 and 39,789.32

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Solution

The fourth proportional to 46,321.16, 69,142.75 and 39,789.32 is: 59,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,321.16 : 69,142.75 = 39,789.32 : x
  2. Step 2: Convert to fraction form
    46,321.16/69,142.75 = 39,789.32/x
  3. Step 3: Cross multiply
    46,321.16x = 69,142.75 × 39,789.32
  4. Step 4: Simplify right side
    46,321.16x = 2,751,143,005.43
  5. Step 5: Solve for x
    x = 2,751,143,005.43/46,321.16
  6. Step 6: Final answer
    x = 59,392.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.