Home / 119,485.41-164,888.55-65,769.27

Finding the Fourth Proportional to 119,485.41, 164,888.55 and 65,769.27

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Solution

The fourth proportional to 119,485.41, 164,888.55 and 65,769.27 is: 90,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,485.41 : 164,888.55 = 65,769.27 : x
  2. Step 2: Convert to fraction form
    119,485.41/164,888.55 = 65,769.27/x
  3. Step 3: Cross multiply
    119,485.41x = 164,888.55 × 65,769.27
  4. Step 4: Simplify right side
    119,485.41x = 10,844,599,564.86
  5. Step 5: Solve for x
    x = 10,844,599,564.86/119,485.41
  6. Step 6: Final answer
    x = 90,760.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.