Home / 66,714.07-100,083.23-31,653.40

Finding the Fourth Proportional to 66,714.07, 100,083.23 and 31,653.40

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Solution

The fourth proportional to 66,714.07, 100,083.23 and 31,653.40 is: 47,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,714.07 : 100,083.23 = 31,653.40 : x
  2. Step 2: Convert to fraction form
    66,714.07/100,083.23 = 31,653.40/x
  3. Step 3: Cross multiply
    66,714.07x = 100,083.23 × 31,653.40
  4. Step 4: Simplify right side
    66,714.07x = 3,167,974,512.48
  5. Step 5: Solve for x
    x = 3,167,974,512.48/66,714.07
  6. Step 6: Final answer
    x = 47,485.85

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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.