Home / 76,995.62-106,247.04-42,999.38

Finding the Fourth Proportional to 76,995.62, 106,247.04 and 42,999.38

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Solution

The fourth proportional to 76,995.62, 106,247.04 and 42,999.38 is: 59,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,995.62 : 106,247.04 = 42,999.38 : x
  2. Step 2: Convert to fraction form
    76,995.62/106,247.04 = 42,999.38/x
  3. Step 3: Cross multiply
    76,995.62x = 106,247.04 × 42,999.38
  4. Step 4: Simplify right side
    76,995.62x = 4,568,556,846.84
  5. Step 5: Solve for x
    x = 4,568,556,846.84/76,995.62
  6. Step 6: Final answer
    x = 59,335.28

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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.