Home / 70,766.82-97,576.40-56,415.44

Finding the Fourth Proportional to 70,766.82, 97,576.40 and 56,415.44

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Solution

The fourth proportional to 70,766.82, 97,576.40 and 56,415.44 is: 77,788.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,766.82 : 97,576.40 = 56,415.44 : x
  2. Step 2: Convert to fraction form
    70,766.82/97,576.40 = 56,415.44/x
  3. Step 3: Cross multiply
    70,766.82x = 97,576.40 × 56,415.44
  4. Step 4: Simplify right side
    70,766.82x = 5,504,815,058.39
  5. Step 5: Solve for x
    x = 5,504,815,058.39/70,766.82
  6. Step 6: Final answer
    x = 77,788.08

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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.