Home / 71,427.35-107,142.08-27,042.19

Finding the Fourth Proportional to 71,427.35, 107,142.08 and 27,042.19

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Solution

The fourth proportional to 71,427.35, 107,142.08 and 27,042.19 is: 40,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,427.35 : 107,142.08 = 27,042.19 : x
  2. Step 2: Convert to fraction form
    71,427.35/107,142.08 = 27,042.19/x
  3. Step 3: Cross multiply
    71,427.35x = 107,142.08 × 27,042.19
  4. Step 4: Simplify right side
    71,427.35x = 2,897,356,484.36
  5. Step 5: Solve for x
    x = 2,897,356,484.36/71,427.35
  6. Step 6: Final answer
    x = 40,563.68

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1.5x scale

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.