Home / 118,813.44-163,957.52-71,038.56

Finding the Fourth Proportional to 118,813.44, 163,957.52 and 71,038.56

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Solution

The fourth proportional to 118,813.44, 163,957.52 and 71,038.56 is: 98,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,813.44 : 163,957.52 = 71,038.56 : x
  2. Step 2: Convert to fraction form
    118,813.44/163,957.52 = 71,038.56/x
  3. Step 3: Cross multiply
    118,813.44x = 163,957.52 × 71,038.56
  4. Step 4: Simplify right side
    118,813.44x = 11,647,306,121.97
  5. Step 5: Solve for x
    x = 11,647,306,121.97/118,813.44
  6. Step 6: Final answer
    x = 98,030.21

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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.