Home / 86,223.94-118,991.30-47,986.07

Finding the Fourth Proportional to 86,223.94, 118,991.30 and 47,986.07

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Solution

The fourth proportional to 86,223.94, 118,991.30 and 47,986.07 is: 66,222.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,223.94 : 118,991.30 = 47,986.07 : x
  2. Step 2: Convert to fraction form
    86,223.94/118,991.30 = 47,986.07/x
  3. Step 3: Cross multiply
    86,223.94x = 118,991.30 × 47,986.07
  4. Step 4: Simplify right side
    86,223.94x = 5,709,924,376.20
  5. Step 5: Solve for x
    x = 5,709,924,376.20/86,223.94
  6. Step 6: Final answer
    x = 66,222.03

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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.