Home / 69,808.56-96,328.62-41,508.78

Finding the Fourth Proportional to 69,808.56, 96,328.62 and 41,508.78

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Solution

The fourth proportional to 69,808.56, 96,328.62 and 41,508.78 is: 57,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,808.56 : 96,328.62 = 41,508.78 : x
  2. Step 2: Convert to fraction form
    69,808.56/96,328.62 = 41,508.78/x
  3. Step 3: Cross multiply
    69,808.56x = 96,328.62 × 41,508.78
  4. Step 4: Simplify right side
    69,808.56x = 3,998,483,495.28
  5. Step 5: Solve for x
    x = 3,998,483,495.28/69,808.56
  6. Step 6: Final answer
    x = 57,277.84

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1.5x scale

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.