Home / 85,675.86-118,238.13-47,962.26

Finding the Fourth Proportional to 85,675.86, 118,238.13 and 47,962.26

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Solution

The fourth proportional to 85,675.86, 118,238.13 and 47,962.26 is: 66,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,675.86 : 118,238.13 = 47,962.26 : x
  2. Step 2: Convert to fraction form
    85,675.86/118,238.13 = 47,962.26/x
  3. Step 3: Cross multiply
    85,675.86x = 118,238.13 × 47,962.26
  4. Step 4: Simplify right side
    85,675.86x = 5,670,967,932.97
  5. Step 5: Solve for x
    x = 5,670,967,932.97/85,675.86
  6. Step 6: Final answer
    x = 66,190.97

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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.