Home / 66,084.35-91,193.96-35,869.02

Finding the Fourth Proportional to 66,084.35, 91,193.96 and 35,869.02

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Solution

The fourth proportional to 66,084.35, 91,193.96 and 35,869.02 is: 49,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,084.35 : 91,193.96 = 35,869.02 : x
  2. Step 2: Convert to fraction form
    66,084.35/91,193.96 = 35,869.02/x
  3. Step 3: Cross multiply
    66,084.35x = 91,193.96 × 35,869.02
  4. Step 4: Simplify right side
    66,084.35x = 3,271,037,975.12
  5. Step 5: Solve for x
    x = 3,271,037,975.12/66,084.35
  6. Step 6: Final answer
    x = 49,497.92

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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.