Home / 118,376.82-163,359.02-64,661.85

Finding the Fourth Proportional to 118,376.82, 163,359.02 and 64,661.85

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Solution

The fourth proportional to 118,376.82, 163,359.02 and 64,661.85 is: 89,232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,376.82 : 163,359.02 = 64,661.85 : x
  2. Step 2: Convert to fraction form
    118,376.82/163,359.02 = 64,661.85/x
  3. Step 3: Cross multiply
    118,376.82x = 163,359.02 × 64,661.85
  4. Step 4: Simplify right side
    118,376.82x = 10,563,096,124.08
  5. Step 5: Solve for x
    x = 10,563,096,124.08/118,376.82
  6. Step 6: Final answer
    x = 89,232.81

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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.