Home / 72,945.36-109,412.37-23,026.95

Finding the Fourth Proportional to 72,945.36, 109,412.37 and 23,026.95

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Solution

The fourth proportional to 72,945.36, 109,412.37 and 23,026.95 is: 34,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,945.36 : 109,412.37 = 23,026.95 : x
  2. Step 2: Convert to fraction form
    72,945.36/109,412.37 = 23,026.95/x
  3. Step 3: Cross multiply
    72,945.36x = 109,412.37 × 23,026.95
  4. Step 4: Simplify right side
    72,945.36x = 2,519,433,173.37
  5. Step 5: Solve for x
    x = 2,519,433,173.37/72,945.36
  6. Step 6: Final answer
    x = 34,538.64

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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.