Home / 76,794.48-105,982.68-43,263.60

Finding the Fourth Proportional to 76,794.48, 105,982.68 and 43,263.60

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Solution

The fourth proportional to 76,794.48, 105,982.68 and 43,263.60 is: 59,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,794.48 : 105,982.68 = 43,263.60 : x
  2. Step 2: Convert to fraction form
    76,794.48/105,982.68 = 43,263.60/x
  3. Step 3: Cross multiply
    76,794.48x = 105,982.68 × 43,263.60
  4. Step 4: Simplify right side
    76,794.48x = 4,585,192,274.45
  5. Step 5: Solve for x
    x = 4,585,192,274.45/76,794.48
  6. Step 6: Final answer
    x = 59,707.32

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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.