Home / 111,749.95-167,572.29-40,622.56

Finding the Fourth Proportional to 111,749.95, 167,572.29 and 40,622.56

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Solution

The fourth proportional to 111,749.95, 167,572.29 and 40,622.56 is: 60,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,749.95 : 167,572.29 = 40,622.56 : x
  2. Step 2: Convert to fraction form
    111,749.95/167,572.29 = 40,622.56/x
  3. Step 3: Cross multiply
    111,749.95x = 167,572.29 × 40,622.56
  4. Step 4: Simplify right side
    111,749.95x = 6,807,216,080.86
  5. Step 5: Solve for x
    x = 6,807,216,080.86/111,749.95
  6. Step 6: Final answer
    x = 60,914.71

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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.