Home / 111,027.16-166,606.34-40,955.68

Finding the Fourth Proportional to 111,027.16, 166,606.34 and 40,955.68

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Solution

The fourth proportional to 111,027.16, 166,606.34 and 40,955.68 is: 61,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,027.16 : 166,606.34 = 40,955.68 : x
  2. Step 2: Convert to fraction form
    111,027.16/166,606.34 = 40,955.68/x
  3. Step 3: Cross multiply
    111,027.16x = 166,606.34 × 40,955.68
  4. Step 4: Simplify right side
    111,027.16x = 6,823,475,947.01
  5. Step 5: Solve for x
    x = 6,823,475,947.01/111,027.16
  6. Step 6: Final answer
    x = 61,457.72

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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.