Home / 65,949.16-91,048.74-43,327.68

Finding the Fourth Proportional to 65,949.16, 91,048.74 and 43,327.68

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Solution

The fourth proportional to 65,949.16, 91,048.74 and 43,327.68 is: 59,817.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,949.16 : 91,048.74 = 43,327.68 : x
  2. Step 2: Convert to fraction form
    65,949.16/91,048.74 = 43,327.68/x
  3. Step 3: Cross multiply
    65,949.16x = 91,048.74 × 43,327.68
  4. Step 4: Simplify right side
    65,949.16x = 3,944,930,671.12
  5. Step 5: Solve for x
    x = 3,944,930,671.12/65,949.16
  6. Step 6: Final answer
    x = 59,817.75

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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.