Home / 117,458.26-162,100.38-66,471.02

Finding the Fourth Proportional to 117,458.26, 162,100.38 and 66,471.02

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Solution

The fourth proportional to 117,458.26, 162,100.38 and 66,471.02 is: 91,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,458.26 : 162,100.38 = 66,471.02 : x
  2. Step 2: Convert to fraction form
    117,458.26/162,100.38 = 66,471.02/x
  3. Step 3: Cross multiply
    117,458.26x = 162,100.38 × 66,471.02
  4. Step 4: Simplify right side
    117,458.26x = 10,774,977,600.99
  5. Step 5: Solve for x
    x = 10,774,977,600.99/117,458.26
  6. Step 6: Final answer
    x = 91,734.52

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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.