Home / 84,905.70-117,176.37-50,915.48

Finding the Fourth Proportional to 84,905.70, 117,176.37 and 50,915.48

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Solution

The fourth proportional to 84,905.70, 117,176.37 and 50,915.48 is: 70,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,905.70 : 117,176.37 = 50,915.48 : x
  2. Step 2: Convert to fraction form
    84,905.70/117,176.37 = 50,915.48/x
  3. Step 3: Cross multiply
    84,905.70x = 117,176.37 × 50,915.48
  4. Step 4: Simplify right side
    84,905.70x = 5,966,090,537.33
  5. Step 5: Solve for x
    x = 5,966,090,537.33/84,905.70
  6. Step 6: Final answer
    x = 70,267.26

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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.