Home / 118,020.25-162,869.57-67,719.25

Finding the Fourth Proportional to 118,020.25, 162,869.57 and 67,719.25

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Solution

The fourth proportional to 118,020.25, 162,869.57 and 67,719.25 is: 93,453.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,020.25 : 162,869.57 = 67,719.25 : x
  2. Step 2: Convert to fraction form
    118,020.25/162,869.57 = 67,719.25/x
  3. Step 3: Cross multiply
    118,020.25x = 162,869.57 × 67,719.25
  4. Step 4: Simplify right side
    118,020.25x = 11,029,405,128.22
  5. Step 5: Solve for x
    x = 11,029,405,128.22/118,020.25
  6. Step 6: Final answer
    x = 93,453.50

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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.