Home / 66,198.52-99,341.51-31,140.91

Finding the Fourth Proportional to 66,198.52, 99,341.51 and 31,140.91

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Solution

The fourth proportional to 66,198.52, 99,341.51 and 31,140.91 is: 46,731.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,198.52 : 99,341.51 = 31,140.91 : x
  2. Step 2: Convert to fraction form
    66,198.52/99,341.51 = 31,140.91/x
  3. Step 3: Cross multiply
    66,198.52x = 99,341.51 × 31,140.91
  4. Step 4: Simplify right side
    66,198.52x = 3,093,584,694.60
  5. Step 5: Solve for x
    x = 3,093,584,694.60/66,198.52
  6. Step 6: Final answer
    x = 46,731.93

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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.