Home / 76,517.93-105,589.23-47,850.45

Finding the Fourth Proportional to 76,517.93, 105,589.23 and 47,850.45

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Solution

The fourth proportional to 76,517.93, 105,589.23 and 47,850.45 is: 66,030.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,517.93 : 105,589.23 = 47,850.45 : x
  2. Step 2: Convert to fraction form
    76,517.93/105,589.23 = 47,850.45/x
  3. Step 3: Cross multiply
    76,517.93x = 105,589.23 × 47,850.45
  4. Step 4: Simplify right side
    76,517.93x = 5,052,492,170.65
  5. Step 5: Solve for x
    x = 5,052,492,170.65/76,517.93
  6. Step 6: Final answer
    x = 66,030.18

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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.