Home / 84,866.04-117,102.13-49,049.15

Finding the Fourth Proportional to 84,866.04, 117,102.13 and 49,049.15

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Solution

The fourth proportional to 84,866.04, 117,102.13 and 49,049.15 is: 67,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,866.04 : 117,102.13 = 49,049.15 : x
  2. Step 2: Convert to fraction form
    84,866.04/117,102.13 = 49,049.15/x
  3. Step 3: Cross multiply
    84,866.04x = 117,102.13 × 49,049.15
  4. Step 4: Simplify right side
    84,866.04x = 5,743,759,231.56
  5. Step 5: Solve for x
    x = 5,743,759,231.56/84,866.04
  6. Step 6: Final answer
    x = 67,680.30

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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.