Home / 76,234.40-105,203.52-41,778.98

Finding the Fourth Proportional to 76,234.40, 105,203.52 and 41,778.98

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Solution

The fourth proportional to 76,234.40, 105,203.52 and 41,778.98 is: 57,655.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,234.40 : 105,203.52 = 41,778.98 : x
  2. Step 2: Convert to fraction form
    76,234.40/105,203.52 = 41,778.98/x
  3. Step 3: Cross multiply
    76,234.40x = 105,203.52 × 41,778.98
  4. Step 4: Simplify right side
    76,234.40x = 4,395,295,758.01
  5. Step 5: Solve for x
    x = 4,395,295,758.01/76,234.40
  6. Step 6: Final answer
    x = 57,655.02

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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.