Home / 66,177.37-91,315.06-39,321.01

Finding the Fourth Proportional to 66,177.37, 91,315.06 and 39,321.01

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Solution

The fourth proportional to 66,177.37, 91,315.06 and 39,321.01 is: 54,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,177.37 : 91,315.06 = 39,321.01 : x
  2. Step 2: Convert to fraction form
    66,177.37/91,315.06 = 39,321.01/x
  3. Step 3: Cross multiply
    66,177.37x = 91,315.06 × 39,321.01
  4. Step 4: Simplify right side
    66,177.37x = 3,590,600,387.41
  5. Step 5: Solve for x
    x = 3,590,600,387.41/66,177.37
  6. Step 6: Final answer
    x = 54,257.22

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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.