Home / 118,042.84-162,896.97-64,328.32

Finding the Fourth Proportional to 118,042.84, 162,896.97 and 64,328.32

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Solution

The fourth proportional to 118,042.84, 162,896.97 and 64,328.32 is: 88,771.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,042.84 : 162,896.97 = 64,328.32 : x
  2. Step 2: Convert to fraction form
    118,042.84/162,896.97 = 64,328.32/x
  3. Step 3: Cross multiply
    118,042.84x = 162,896.97 × 64,328.32
  4. Step 4: Simplify right side
    118,042.84x = 10,478,888,413.19
  5. Step 5: Solve for x
    x = 10,478,888,413.19/118,042.84
  6. Step 6: Final answer
    x = 88,771.91

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1.5x scale

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.