Home / 89,293.20-133,870.68-51,795.60

Finding the Fourth Proportional to 89,293.20, 133,870.68 and 51,795.60

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Solution

The fourth proportional to 89,293.20, 133,870.68 and 51,795.60 is: 77,653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,293.20 : 133,870.68 = 51,795.60 : x
  2. Step 2: Convert to fraction form
    89,293.20/133,870.68 = 51,795.60/x
  3. Step 3: Cross multiply
    89,293.20x = 133,870.68 × 51,795.60
  4. Step 4: Simplify right side
    89,293.20x = 6,933,912,193.01
  5. Step 5: Solve for x
    x = 6,933,912,193.01/89,293.20
  6. Step 6: Final answer
    x = 77,653.31

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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.