Home / 111,313.06-166,989.03-61,371.70

Finding the Fourth Proportional to 111,313.06, 166,989.03 and 61,371.70

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Solution

The fourth proportional to 111,313.06, 166,989.03 and 61,371.70 is: 92,068.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,313.06 : 166,989.03 = 61,371.70 : x
  2. Step 2: Convert to fraction form
    111,313.06/166,989.03 = 61,371.70/x
  3. Step 3: Cross multiply
    111,313.06x = 166,989.03 × 61,371.70
  4. Step 4: Simplify right side
    111,313.06x = 10,248,400,652.45
  5. Step 5: Solve for x
    x = 10,248,400,652.45/111,313.06
  6. Step 6: Final answer
    x = 92,068.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.