Home / 117,931.49-162,704.98-66,940.37

Finding the Fourth Proportional to 117,931.49, 162,704.98 and 66,940.37

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Solution

The fourth proportional to 117,931.49, 162,704.98 and 66,940.37 is: 92,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,931.49 : 162,704.98 = 66,940.37 : x
  2. Step 2: Convert to fraction form
    117,931.49/162,704.98 = 66,940.37/x
  3. Step 3: Cross multiply
    117,931.49x = 162,704.98 × 66,940.37
  4. Step 4: Simplify right side
    117,931.49x = 10,891,531,442.34
  5. Step 5: Solve for x
    x = 10,891,531,442.34/117,931.49
  6. Step 6: Final answer
    x = 92,354.74

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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.