Home / 112,474.24-155,208.36-62,170

Finding the Fourth Proportional to 112,474.24, 155,208.36 and 62,170

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Solution

The fourth proportional to 112,474.24, 155,208.36 and 62,170 is: 85,791.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,474.24 : 155,208.36 = 62,170 : x
  2. Step 2: Convert to fraction form
    112,474.24/155,208.36 = 62,170/x
  3. Step 3: Cross multiply
    112,474.24x = 155,208.36 × 62,170
  4. Step 4: Simplify right side
    112,474.24x = 9,649,303,741.20
  5. Step 5: Solve for x
    x = 9,649,303,741.20/112,474.24
  6. Step 6: Final answer
    x = 85,791.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.