Home / 66,466.06-91,720.92-39,594.65

Finding the Fourth Proportional to 66,466.06, 91,720.92 and 39,594.65

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Solution

The fourth proportional to 66,466.06, 91,720.92 and 39,594.65 is: 54,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,466.06 : 91,720.92 = 39,594.65 : x
  2. Step 2: Convert to fraction form
    66,466.06/91,720.92 = 39,594.65/x
  3. Step 3: Cross multiply
    66,466.06x = 91,720.92 × 39,594.65
  4. Step 4: Simplify right side
    66,466.06x = 3,631,657,266.47
  5. Step 5: Solve for x
    x = 3,631,657,266.47/66,466.06
  6. Step 6: Final answer
    x = 54,639.28

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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.