Home / 117,325.73-162,043.15-79,534.37

Finding the Fourth Proportional to 117,325.73, 162,043.15 and 79,534.37

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Solution

The fourth proportional to 117,325.73, 162,043.15 and 79,534.37 is: 109,848.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,325.73 : 162,043.15 = 79,534.37 : x
  2. Step 2: Convert to fraction form
    117,325.73/162,043.15 = 79,534.37/x
  3. Step 3: Cross multiply
    117,325.73x = 162,043.15 × 79,534.37
  4. Step 4: Simplify right side
    117,325.73x = 12,887,999,848.07
  5. Step 5: Solve for x
    x = 12,887,999,848.07/117,325.73
  6. Step 6: Final answer
    x = 109,848.03

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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.