Home / 111,962.37-154,496.64-68,935.03

Finding the Fourth Proportional to 111,962.37, 154,496.64 and 68,935.03

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Solution

The fourth proportional to 111,962.37, 154,496.64 and 68,935.03 is: 95,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,962.37 : 154,496.64 = 68,935.03 : x
  2. Step 2: Convert to fraction form
    111,962.37/154,496.64 = 68,935.03/x
  3. Step 3: Cross multiply
    111,962.37x = 154,496.64 × 68,935.03
  4. Step 4: Simplify right side
    111,962.37x = 10,650,230,513.30
  5. Step 5: Solve for x
    x = 10,650,230,513.30/111,962.37
  6. Step 6: Final answer
    x = 95,123.31

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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.