Home / 81,323.12-112,204.58-46,859.38

Finding the Fourth Proportional to 81,323.12, 112,204.58 and 46,859.38

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Solution

The fourth proportional to 81,323.12, 112,204.58 and 46,859.38 is: 64,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,323.12 : 112,204.58 = 46,859.38 : x
  2. Step 2: Convert to fraction form
    81,323.12/112,204.58 = 46,859.38/x
  3. Step 3: Cross multiply
    81,323.12x = 112,204.58 × 46,859.38
  4. Step 4: Simplify right side
    81,323.12x = 5,257,836,537.15
  5. Step 5: Solve for x
    x = 5,257,836,537.15/81,323.12
  6. Step 6: Final answer
    x = 64,653.65

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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.