Home / 89,152.72-133,749.81-25,979.56

Finding the Fourth Proportional to 89,152.72, 133,749.81 and 25,979.56

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Solution

The fourth proportional to 89,152.72, 133,749.81 and 25,979.56 is: 38,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,152.72 : 133,749.81 = 25,979.56 : x
  2. Step 2: Convert to fraction form
    89,152.72/133,749.81 = 25,979.56/x
  3. Step 3: Cross multiply
    89,152.72x = 133,749.81 × 25,979.56
  4. Step 4: Simplify right side
    89,152.72x = 3,474,760,879.51
  5. Step 5: Solve for x
    x = 3,474,760,879.51/89,152.72
  6. Step 6: Final answer
    x = 38,975.38

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1.5x scale

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.