Home / 71,331.40-106,905.51-26,905.23

Finding the Fourth Proportional to 71,331.40, 106,905.51 and 26,905.23

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Solution

The fourth proportional to 71,331.40, 106,905.51 and 26,905.23 is: 40,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,331.40 : 106,905.51 = 26,905.23 : x
  2. Step 2: Convert to fraction form
    71,331.40/106,905.51 = 26,905.23/x
  3. Step 3: Cross multiply
    71,331.40x = 106,905.51 × 26,905.23
  4. Step 4: Simplify right side
    71,331.40x = 2,876,317,334.82
  5. Step 5: Solve for x
    x = 2,876,317,334.82/71,331.40
  6. Step 6: Final answer
    x = 40,323.30

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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.