Home / 76,375.97-105,394.07-46,143.43

Finding the Fourth Proportional to 76,375.97, 105,394.07 and 46,143.43

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Solution

The fourth proportional to 76,375.97, 105,394.07 and 46,143.43 is: 63,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,375.97 : 105,394.07 = 46,143.43 : x
  2. Step 2: Convert to fraction form
    76,375.97/105,394.07 = 46,143.43/x
  3. Step 3: Cross multiply
    76,375.97x = 105,394.07 × 46,143.43
  4. Step 4: Simplify right side
    76,375.97x = 4,863,243,891.46
  5. Step 5: Solve for x
    x = 4,863,243,891.46/76,375.97
  6. Step 6: Final answer
    x = 63,675.05

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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.