Home / 84,431.72-126,522.24-46,940.21

Finding the Fourth Proportional to 84,431.72, 126,522.24 and 46,940.21

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Solution

The fourth proportional to 84,431.72, 126,522.24 and 46,940.21 is: 70,340.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,431.72 : 126,522.24 = 46,940.21 : x
  2. Step 2: Convert to fraction form
    84,431.72/126,522.24 = 46,940.21/x
  3. Step 3: Cross multiply
    84,431.72x = 126,522.24 × 46,940.21
  4. Step 4: Simplify right side
    84,431.72x = 5,938,980,515.27
  5. Step 5: Solve for x
    x = 5,938,980,515.27/84,431.72
  6. Step 6: Final answer
    x = 70,340.64

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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.