Home / 70,119.27-96,757.74-39,902.22

Finding the Fourth Proportional to 70,119.27, 96,757.74 and 39,902.22

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Solution

The fourth proportional to 70,119.27, 96,757.74 and 39,902.22 is: 55,061.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,119.27 : 96,757.74 = 39,902.22 : x
  2. Step 2: Convert to fraction form
    70,119.27/96,757.74 = 39,902.22/x
  3. Step 3: Cross multiply
    70,119.27x = 96,757.74 × 39,902.22
  4. Step 4: Simplify right side
    70,119.27x = 3,860,848,628.18
  5. Step 5: Solve for x
    x = 3,860,848,628.18/70,119.27
  6. Step 6: Final answer
    x = 55,061.16

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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.