Home / 117,826.40-162,600.36-64,111.36

Finding the Fourth Proportional to 117,826.40, 162,600.36 and 64,111.36

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Solution

The fourth proportional to 117,826.40, 162,600.36 and 64,111.36 is: 88,473.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,826.40 : 162,600.36 = 64,111.36 : x
  2. Step 2: Convert to fraction form
    117,826.40/162,600.36 = 64,111.36/x
  3. Step 3: Cross multiply
    117,826.40x = 162,600.36 × 64,111.36
  4. Step 4: Simplify right side
    117,826.40x = 10,424,530,216.09
  5. Step 5: Solve for x
    x = 10,424,530,216.09/117,826.40
  6. Step 6: Final answer
    x = 88,473.64

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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.