Home / 112,393.72-155,113.22-62,102.44

Finding the Fourth Proportional to 112,393.72, 155,113.22 and 62,102.44

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Solution

The fourth proportional to 112,393.72, 155,113.22 and 62,102.44 is: 85,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,393.72 : 155,113.22 = 62,102.44 : x
  2. Step 2: Convert to fraction form
    112,393.72/155,113.22 = 62,102.44/x
  3. Step 3: Cross multiply
    112,393.72x = 155,113.22 × 62,102.44
  4. Step 4: Simplify right side
    112,393.72x = 9,632,909,438.26
  5. Step 5: Solve for x
    x = 9,632,909,438.26/112,393.72
  6. Step 6: Final answer
    x = 85,706.83

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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.