Home / 70,984.28-97,958.09-40,771.55

Finding the Fourth Proportional to 70,984.28, 97,958.09 and 40,771.55

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Solution

The fourth proportional to 70,984.28, 97,958.09 and 40,771.55 is: 56,264.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,984.28 : 97,958.09 = 40,771.55 : x
  2. Step 2: Convert to fraction form
    70,984.28/97,958.09 = 40,771.55/x
  3. Step 3: Cross multiply
    70,984.28x = 97,958.09 × 40,771.55
  4. Step 4: Simplify right side
    70,984.28x = 3,993,902,470.69
  5. Step 5: Solve for x
    x = 3,993,902,470.69/70,984.28
  6. Step 6: Final answer
    x = 56,264.61

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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.