Home / 76,190.07-105,194.25-47,520.93

Finding the Fourth Proportional to 76,190.07, 105,194.25 and 47,520.93

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Solution

The fourth proportional to 76,190.07, 105,194.25 and 47,520.93 is: 65,611.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,190.07 : 105,194.25 = 47,520.93 : x
  2. Step 2: Convert to fraction form
    76,190.07/105,194.25 = 47,520.93/x
  3. Step 3: Cross multiply
    76,190.07x = 105,194.25 × 47,520.93
  4. Step 4: Simplify right side
    76,190.07x = 4,998,928,590.65
  5. Step 5: Solve for x
    x = 4,998,928,590.65/76,190.07
  6. Step 6: Final answer
    x = 65,611.29

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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.