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Finding the Fourth Proportional to 66,673.65, 100,007.80 and 36,747.21

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Solution

The fourth proportional to 66,673.65, 100,007.80 and 36,747.21 is: 55,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,673.65 : 100,007.80 = 36,747.21 : x
  2. Step 2: Convert to fraction form
    66,673.65/100,007.80 = 36,747.21/x
  3. Step 3: Cross multiply
    66,673.65x = 100,007.80 × 36,747.21
  4. Step 4: Simplify right side
    66,673.65x = 3,675,007,536.37
  5. Step 5: Solve for x
    x = 3,675,007,536.37/66,673.65
  6. Step 6: Final answer
    x = 55,119.34

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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.