Home / 66,529.80-99,794.70-31,537.80

Finding the Fourth Proportional to 66,529.80, 99,794.70 and 31,537.80

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Solution

The fourth proportional to 66,529.80, 99,794.70 and 31,537.80 is: 47,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529.80 : 99,794.70 = 31,537.80 : x
  2. Step 2: Convert to fraction form
    66,529.80/99,794.70 = 31,537.80/x
  3. Step 3: Cross multiply
    66,529.80x = 99,794.70 × 31,537.80
  4. Step 4: Simplify right side
    66,529.80x = 3,147,305,289.66
  5. Step 5: Solve for x
    x = 3,147,305,289.66/66,529.80
  6. Step 6: Final answer
    x = 47,306.70

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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.