Home / 111,409.36-167,124.06-31,448.18

Finding the Fourth Proportional to 111,409.36, 167,124.06 and 31,448.18

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Solution

The fourth proportional to 111,409.36, 167,124.06 and 31,448.18 is: 47,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,409.36 : 167,124.06 = 31,448.18 : x
  2. Step 2: Convert to fraction form
    111,409.36/167,124.06 = 31,448.18/x
  3. Step 3: Cross multiply
    111,409.36x = 167,124.06 × 31,448.18
  4. Step 4: Simplify right side
    111,409.36x = 5,255,747,939.02
  5. Step 5: Solve for x
    x = 5,255,747,939.02/111,409.36
  6. Step 6: Final answer
    x = 47,175.10

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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.