Home / 112,858.09-169,273.29-65,498.95

Finding the Fourth Proportional to 112,858.09, 169,273.29 and 65,498.95

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Solution

The fourth proportional to 112,858.09, 169,273.29 and 65,498.95 is: 98,240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,858.09 : 169,273.29 = 65,498.95 : x
  2. Step 2: Convert to fraction form
    112,858.09/169,273.29 = 65,498.95/x
  3. Step 3: Cross multiply
    112,858.09x = 169,273.29 × 65,498.95
  4. Step 4: Simplify right side
    112,858.09x = 11,087,222,758.05
  5. Step 5: Solve for x
    x = 11,087,222,758.05/112,858.09
  6. Step 6: Final answer
    x = 98,240.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.