Home / 56,745.98-85,194.36-48,479.12

Finding the Fourth Proportional to 56,745.98, 85,194.36 and 48,479.12

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Solution

The fourth proportional to 56,745.98, 85,194.36 and 48,479.12 is: 72,783.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,745.98 : 85,194.36 = 48,479.12 : x
  2. Step 2: Convert to fraction form
    56,745.98/85,194.36 = 48,479.12/x
  3. Step 3: Cross multiply
    56,745.98x = 85,194.36 × 48,479.12
  4. Step 4: Simplify right side
    56,745.98x = 4,130,147,601.76
  5. Step 5: Solve for x
    x = 4,130,147,601.76/56,745.98
  6. Step 6: Final answer
    x = 72,783.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.