Home / 66,854.10-100,213.62-41,911.65

Finding the Fourth Proportional to 66,854.10, 100,213.62 and 41,911.65

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Solution

The fourth proportional to 66,854.10, 100,213.62 and 41,911.65 is: 62,825.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,854.10 : 100,213.62 = 41,911.65 : x
  2. Step 2: Convert to fraction form
    66,854.10/100,213.62 = 41,911.65/x
  3. Step 3: Cross multiply
    66,854.10x = 100,213.62 × 41,911.65
  4. Step 4: Simplify right side
    66,854.10x = 4,200,118,166.67
  5. Step 5: Solve for x
    x = 4,200,118,166.67/66,854.10
  6. Step 6: Final answer
    x = 62,825.14

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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.