Home / 86,084.30-118,796.23-47,842.64

Finding the Fourth Proportional to 86,084.30, 118,796.23 and 47,842.64

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Solution

The fourth proportional to 86,084.30, 118,796.23 and 47,842.64 is: 66,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,084.30 : 118,796.23 = 47,842.64 : x
  2. Step 2: Convert to fraction form
    86,084.30/118,796.23 = 47,842.64/x
  3. Step 3: Cross multiply
    86,084.30x = 118,796.23 × 47,842.64
  4. Step 4: Simplify right side
    86,084.30x = 5,683,525,176.56
  5. Step 5: Solve for x
    x = 5,683,525,176.56/86,084.30
  6. Step 6: Final answer
    x = 66,022.78

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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.