Home / 97,631.76-146,280.44-53,289.64

Finding the Fourth Proportional to 97,631.76, 146,280.44 and 53,289.64

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Solution

The fourth proportional to 97,631.76, 146,280.44 and 53,289.64 is: 79,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,631.76 : 146,280.44 = 53,289.64 : x
  2. Step 2: Convert to fraction form
    97,631.76/146,280.44 = 53,289.64/x
  3. Step 3: Cross multiply
    97,631.76x = 146,280.44 × 53,289.64
  4. Step 4: Simplify right side
    97,631.76x = 7,795,231,986.64
  5. Step 5: Solve for x
    x = 7,795,231,986.64/97,631.76
  6. Step 6: Final answer
    x = 79,843.20

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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.