Home / 111,128.22-166,721.02-40,048.02

Finding the Fourth Proportional to 111,128.22, 166,721.02 and 40,048.02

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Solution

The fourth proportional to 111,128.22, 166,721.02 and 40,048.02 is: 60,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,128.22 : 166,721.02 = 40,048.02 : x
  2. Step 2: Convert to fraction form
    111,128.22/166,721.02 = 40,048.02/x
  3. Step 3: Cross multiply
    111,128.22x = 166,721.02 × 40,048.02
  4. Step 4: Simplify right side
    111,128.22x = 6,676,846,643.26
  5. Step 5: Solve for x
    x = 6,676,846,643.26/111,128.22
  6. Step 6: Final answer
    x = 60,082.37

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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.