Home / 118,653.08-163,737.60-64,936.94

Finding the Fourth Proportional to 118,653.08, 163,737.60 and 64,936.94

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Solution

The fourth proportional to 118,653.08, 163,737.60 and 64,936.94 is: 89,610.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,653.08 : 163,737.60 = 64,936.94 : x
  2. Step 2: Convert to fraction form
    118,653.08/163,737.60 = 64,936.94/x
  3. Step 3: Cross multiply
    118,653.08x = 163,737.60 × 64,936.94
  4. Step 4: Simplify right side
    118,653.08x = 10,632,618,706.94
  5. Step 5: Solve for x
    x = 10,632,618,706.94/118,653.08
  6. Step 6: Final answer
    x = 89,610.98

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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.