Home / 89,391.27-133,961.14-70,588.54

Finding the Fourth Proportional to 89,391.27, 133,961.14 and 70,588.54

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Solution

The fourth proportional to 89,391.27, 133,961.14 and 70,588.54 is: 105,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,391.27 : 133,961.14 = 70,588.54 : x
  2. Step 2: Convert to fraction form
    89,391.27/133,961.14 = 70,588.54/x
  3. Step 3: Cross multiply
    89,391.27x = 133,961.14 × 70,588.54
  4. Step 4: Simplify right side
    89,391.27x = 9,456,121,289.34
  5. Step 5: Solve for x
    x = 9,456,121,289.34/89,391.27
  6. Step 6: Final answer
    x = 105,783.50

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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.