Home / 63,415.98-87,515.00-34,738.28

Finding the Fourth Proportional to 63,415.98, 87,515.00 and 34,738.28

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Solution

The fourth proportional to 63,415.98, 87,515.00 and 34,738.28 is: 47,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,415.98 : 87,515.00 = 34,738.28 : x
  2. Step 2: Convert to fraction form
    63,415.98/87,515.00 = 34,738.28/x
  3. Step 3: Cross multiply
    63,415.98x = 87,515.00 × 34,738.28
  4. Step 4: Simplify right side
    63,415.98x = 3,040,120,879.83
  5. Step 5: Solve for x
    x = 3,040,120,879.83/63,415.98
  6. Step 6: Final answer
    x = 47,939.35

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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.