Home / 85,853.25-118,467.81-48,126.69

Finding the Fourth Proportional to 85,853.25, 118,467.81 and 48,126.69

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Solution

The fourth proportional to 85,853.25, 118,467.81 and 48,126.69 is: 66,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,853.25 : 118,467.81 = 48,126.69 : x
  2. Step 2: Convert to fraction form
    85,853.25/118,467.81 = 48,126.69/x
  3. Step 3: Cross multiply
    85,853.25x = 118,467.81 × 48,126.69
  4. Step 4: Simplify right side
    85,853.25x = 5,701,463,566.85
  5. Step 5: Solve for x
    x = 5,701,463,566.85/85,853.25
  6. Step 6: Final answer
    x = 66,409.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.