Home / 62,778.98-86,635.05-34,486.49

Finding the Fourth Proportional to 62,778.98, 86,635.05 and 34,486.49

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Solution

The fourth proportional to 62,778.98, 86,635.05 and 34,486.49 is: 47,591.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,778.98 : 86,635.05 = 34,486.49 : x
  2. Step 2: Convert to fraction form
    62,778.98/86,635.05 = 34,486.49/x
  3. Step 3: Cross multiply
    62,778.98x = 86,635.05 × 34,486.49
  4. Step 4: Simplify right side
    62,778.98x = 2,987,738,785.47
  5. Step 5: Solve for x
    x = 2,987,738,785.47/62,778.98
  6. Step 6: Final answer
    x = 47,591.39

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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.