Home / 86,089.44-118,792.80-49,797.12

Finding the Fourth Proportional to 86,089.44, 118,792.80 and 49,797.12

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Solution

The fourth proportional to 86,089.44, 118,792.80 and 49,797.12 is: 68,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,089.44 : 118,792.80 = 49,797.12 : x
  2. Step 2: Convert to fraction form
    86,089.44/118,792.80 = 49,797.12/x
  3. Step 3: Cross multiply
    86,089.44x = 118,792.80 × 49,797.12
  4. Step 4: Simplify right side
    86,089.44x = 5,915,539,316.74
  5. Step 5: Solve for x
    x = 5,915,539,316.74/86,089.44
  6. Step 6: Final answer
    x = 68,713.88

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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.