Home / 66,372.13-91,533.40-43,977.25

Finding the Fourth Proportional to 66,372.13, 91,533.40 and 43,977.25

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Solution

The fourth proportional to 66,372.13, 91,533.40 and 43,977.25 is: 60,648.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,372.13 : 91,533.40 = 43,977.25 : x
  2. Step 2: Convert to fraction form
    66,372.13/91,533.40 = 43,977.25/x
  3. Step 3: Cross multiply
    66,372.13x = 91,533.40 × 43,977.25
  4. Step 4: Simplify right side
    66,372.13x = 4,025,387,215.15
  5. Step 5: Solve for x
    x = 4,025,387,215.15/66,372.13
  6. Step 6: Final answer
    x = 60,648.76

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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.