Home / 79,383.14-109,548.34-43,573.76

Finding the Fourth Proportional to 79,383.14, 109,548.34 and 43,573.76

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Solution

The fourth proportional to 79,383.14, 109,548.34 and 43,573.76 is: 60,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,383.14 : 109,548.34 = 43,573.76 : x
  2. Step 2: Convert to fraction form
    79,383.14/109,548.34 = 43,573.76/x
  3. Step 3: Cross multiply
    79,383.14x = 109,548.34 × 43,573.76
  4. Step 4: Simplify right side
    79,383.14x = 4,773,433,075.56
  5. Step 5: Solve for x
    x = 4,773,433,075.56/79,383.14
  6. Step 6: Final answer
    x = 60,131.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.