Home / 84,021.32-126,084.52-34,101.41

Finding the Fourth Proportional to 84,021.32, 126,084.52 and 34,101.41

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Solution

The fourth proportional to 84,021.32, 126,084.52 and 34,101.41 is: 51,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,021.32 : 126,084.52 = 34,101.41 : x
  2. Step 2: Convert to fraction form
    84,021.32/126,084.52 = 34,101.41/x
  3. Step 3: Cross multiply
    84,021.32x = 126,084.52 × 34,101.41
  4. Step 4: Simplify right side
    84,021.32x = 4,299,659,740.67
  5. Step 5: Solve for x
    x = 4,299,659,740.67/84,021.32
  6. Step 6: Final answer
    x = 51,173.44

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1.5x scale

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.