Home / 66,825.58-92,219.27-39,968.09

Finding the Fourth Proportional to 66,825.58, 92,219.27 and 39,968.09

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Solution

The fourth proportional to 66,825.58, 92,219.27 and 39,968.09 is: 55,155.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,825.58 : 92,219.27 = 39,968.09 : x
  2. Step 2: Convert to fraction form
    66,825.58/92,219.27 = 39,968.09/x
  3. Step 3: Cross multiply
    66,825.58x = 92,219.27 × 39,968.09
  4. Step 4: Simplify right side
    66,825.58x = 3,685,827,422.16
  5. Step 5: Solve for x
    x = 3,685,827,422.16/66,825.58
  6. Step 6: Final answer
    x = 55,155.94

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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.