Home / 69,716.08-96,216.36-41,421.76

Finding the Fourth Proportional to 69,716.08, 96,216.36 and 41,421.76

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Solution

The fourth proportional to 69,716.08, 96,216.36 and 41,421.76 is: 57,166.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,716.08 : 96,216.36 = 41,421.76 : x
  2. Step 2: Convert to fraction form
    69,716.08/96,216.36 = 41,421.76/x
  3. Step 3: Cross multiply
    69,716.08x = 96,216.36 × 41,421.76
  4. Step 4: Simplify right side
    69,716.08x = 3,985,450,971.99
  5. Step 5: Solve for x
    x = 3,985,450,971.99/69,716.08
  6. Step 6: Final answer
    x = 57,166.88

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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.