Home / 70,274.33-105,242.59-40,197.38

Finding the Fourth Proportional to 70,274.33, 105,242.59 and 40,197.38

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Solution

The fourth proportional to 70,274.33, 105,242.59 and 40,197.38 is: 60,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,274.33 : 105,242.59 = 40,197.38 : x
  2. Step 2: Convert to fraction form
    70,274.33/105,242.59 = 40,197.38/x
  3. Step 3: Cross multiply
    70,274.33x = 105,242.59 × 40,197.38
  4. Step 4: Simplify right side
    70,274.33x = 4,230,476,382.41
  5. Step 5: Solve for x
    x = 4,230,476,382.41/70,274.33
  6. Step 6: Final answer
    x = 60,199.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.