Home / 66,568.18-99,866.68-31,003.06

Finding the Fourth Proportional to 66,568.18, 99,866.68 and 31,003.06

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Solution

The fourth proportional to 66,568.18, 99,866.68 and 31,003.06 is: 46,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,568.18 : 99,866.68 = 31,003.06 : x
  2. Step 2: Convert to fraction form
    66,568.18/99,866.68 = 31,003.06/x
  3. Step 3: Cross multiply
    66,568.18x = 99,866.68 × 31,003.06
  4. Step 4: Simplify right side
    66,568.18x = 3,096,172,672.04
  5. Step 5: Solve for x
    x = 3,096,172,672.04/66,568.18
  6. Step 6: Final answer
    x = 46,511.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.