Home / 117,583.38-162,268.02-63,868.38

Finding the Fourth Proportional to 117,583.38, 162,268.02 and 63,868.38

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Solution

The fourth proportional to 117,583.38, 162,268.02 and 63,868.38 is: 88,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,583.38 : 162,268.02 = 63,868.38 : x
  2. Step 2: Convert to fraction form
    117,583.38/162,268.02 = 63,868.38/x
  3. Step 3: Cross multiply
    117,583.38x = 162,268.02 × 63,868.38
  4. Step 4: Simplify right side
    117,583.38x = 10,363,795,563.21
  5. Step 5: Solve for x
    x = 10,363,795,563.21/117,583.38
  6. Step 6: Final answer
    x = 88,139.97

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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.