Home / 72,915.19-109,383.72-26,179.00

Finding the Fourth Proportional to 72,915.19, 109,383.72 and 26,179.00

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Solution

The fourth proportional to 72,915.19, 109,383.72 and 26,179.00 is: 39,272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,915.19 : 109,383.72 = 26,179.00 : x
  2. Step 2: Convert to fraction form
    72,915.19/109,383.72 = 26,179.00/x
  3. Step 3: Cross multiply
    72,915.19x = 109,383.72 × 26,179.00
  4. Step 4: Simplify right side
    72,915.19x = 2,863,556,034.25
  5. Step 5: Solve for x
    x = 2,863,556,034.25/72,915.19
  6. Step 6: Final answer
    x = 39,272.42

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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.