Home / 86,084.42-118,794.85-47,843.51

Finding the Fourth Proportional to 86,084.42, 118,794.85 and 47,843.51

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Solution

The fourth proportional to 86,084.42, 118,794.85 and 47,843.51 is: 66,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,084.42 : 118,794.85 = 47,843.51 : x
  2. Step 2: Convert to fraction form
    86,084.42/118,794.85 = 47,843.51/x
  3. Step 3: Cross multiply
    86,084.42x = 118,794.85 × 47,843.51
  4. Step 4: Simplify right side
    86,084.42x = 5,683,561,880.34
  5. Step 5: Solve for x
    x = 5,683,561,880.34/86,084.42
  6. Step 6: Final answer
    x = 66,023.12

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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.