Home / 111,315.24-167,038.38-41,243.40

Finding the Fourth Proportional to 111,315.24, 167,038.38 and 41,243.40

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Solution

The fourth proportional to 111,315.24, 167,038.38 and 41,243.40 is: 61,889.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,315.24 : 167,038.38 = 41,243.40 : x
  2. Step 2: Convert to fraction form
    111,315.24/167,038.38 = 41,243.40/x
  3. Step 3: Cross multiply
    111,315.24x = 167,038.38 × 41,243.40
  4. Step 4: Simplify right side
    111,315.24x = 6,889,230,721.69
  5. Step 5: Solve for x
    x = 6,889,230,721.69/111,315.24
  6. Step 6: Final answer
    x = 61,889.38

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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.