Home / 118,529.60-163,571.00-67,540.10

Finding the Fourth Proportional to 118,529.60, 163,571.00 and 67,540.10

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Solution

The fourth proportional to 118,529.60, 163,571.00 and 67,540.10 is: 93,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,529.60 : 163,571.00 = 67,540.10 : x
  2. Step 2: Convert to fraction form
    118,529.60/163,571.00 = 67,540.10/x
  3. Step 3: Cross multiply
    118,529.60x = 163,571.00 × 67,540.10
  4. Step 4: Simplify right side
    118,529.60x = 11,047,600,541.54
  5. Step 5: Solve for x
    x = 11,047,600,541.54/118,529.60
  6. Step 6: Final answer
    x = 93,205.42

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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.