Home / 66,467.13-91,755.23-57,356.25

Finding the Fourth Proportional to 66,467.13, 91,755.23 and 57,356.25

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Solution

The fourth proportional to 66,467.13, 91,755.23 and 57,356.25 is: 79,178.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,467.13 : 91,755.23 = 57,356.25 : x
  2. Step 2: Convert to fraction form
    66,467.13/91,755.23 = 57,356.25/x
  3. Step 3: Cross multiply
    66,467.13x = 91,755.23 × 57,356.25
  4. Step 4: Simplify right side
    66,467.13x = 5,262,735,910.69
  5. Step 5: Solve for x
    x = 5,262,735,910.69/66,467.13
  6. Step 6: Final answer
    x = 79,178.02

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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.