Home / 71,339.78-106,918.07-26,913.60

Finding the Fourth Proportional to 71,339.78, 106,918.07 and 26,913.60

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Solution

The fourth proportional to 71,339.78, 106,918.07 and 26,913.60 is: 40,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,339.78 : 106,918.07 = 26,913.60 : x
  2. Step 2: Convert to fraction form
    71,339.78/106,918.07 = 26,913.60/x
  3. Step 3: Cross multiply
    71,339.78x = 106,918.07 × 26,913.60
  4. Step 4: Simplify right side
    71,339.78x = 2,877,550,034.18
  5. Step 5: Solve for x
    x = 2,877,550,034.18/71,339.78
  6. Step 6: Final answer
    x = 40,335.84

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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.