Home / 84,813.32-117,063.66-49,024.12

Finding the Fourth Proportional to 84,813.32, 117,063.66 and 49,024.12

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Solution

The fourth proportional to 84,813.32, 117,063.66 and 49,024.12 is: 67,665.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,813.32 : 117,063.66 = 49,024.12 : x
  2. Step 2: Convert to fraction form
    84,813.32/117,063.66 = 49,024.12/x
  3. Step 3: Cross multiply
    84,813.32x = 117,063.66 × 49,024.12
  4. Step 4: Simplify right side
    84,813.32x = 5,738,942,915.48
  5. Step 5: Solve for x
    x = 5,738,942,915.48/84,813.32
  6. Step 6: Final answer
    x = 67,665.59

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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.