Home / 88,456.77-122,072.67-48,172.23

Finding the Fourth Proportional to 88,456.77, 122,072.67 and 48,172.23

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Solution

The fourth proportional to 88,456.77, 122,072.67 and 48,172.23 is: 66,478.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,456.77 : 122,072.67 = 48,172.23 : x
  2. Step 2: Convert to fraction form
    88,456.77/122,072.67 = 48,172.23/x
  3. Step 3: Cross multiply
    88,456.77x = 122,072.67 × 48,172.23
  4. Step 4: Simplify right side
    88,456.77x = 5,880,512,735.95
  5. Step 5: Solve for x
    x = 5,880,512,735.95/88,456.77
  6. Step 6: Final answer
    x = 66,478.94

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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.