Home / 98,011.16-146,880.54-51,170.60

Finding the Fourth Proportional to 98,011.16, 146,880.54 and 51,170.60

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Solution

The fourth proportional to 98,011.16, 146,880.54 and 51,170.60 is: 76,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,011.16 : 146,880.54 = 51,170.60 : x
  2. Step 2: Convert to fraction form
    98,011.16/146,880.54 = 51,170.60/x
  3. Step 3: Cross multiply
    98,011.16x = 146,880.54 × 51,170.60
  4. Step 4: Simplify right side
    98,011.16x = 7,515,965,360.12
  5. Step 5: Solve for x
    x = 7,515,965,360.12/98,011.16
  6. Step 6: Final answer
    x = 76,684.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.