Home / 124,709.58-172,103.46-68,124.60

Finding the Fourth Proportional to 124,709.58, 172,103.46 and 68,124.60

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Solution

The fourth proportional to 124,709.58, 172,103.46 and 68,124.60 is: 94,014.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,709.58 : 172,103.46 = 68,124.60 : x
  2. Step 2: Convert to fraction form
    124,709.58/172,103.46 = 68,124.60/x
  3. Step 3: Cross multiply
    124,709.58x = 172,103.46 × 68,124.60
  4. Step 4: Simplify right side
    124,709.58x = 11,724,479,371.12
  5. Step 5: Solve for x
    x = 11,724,479,371.12/124,709.58
  6. Step 6: Final answer
    x = 94,014.26

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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.