Home / 56,783.98-85,251.34-48,517.12

Finding the Fourth Proportional to 56,783.98, 85,251.34 and 48,517.12

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Solution

The fourth proportional to 56,783.98, 85,251.34 and 48,517.12 is: 72,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,783.98 : 85,251.34 = 48,517.12 : x
  2. Step 2: Convert to fraction form
    56,783.98/85,251.34 = 48,517.12/x
  3. Step 3: Cross multiply
    56,783.98x = 85,251.34 × 48,517.12
  4. Step 4: Simplify right side
    56,783.98x = 4,136,149,492.94
  5. Step 5: Solve for x
    x = 4,136,149,492.94/56,783.98
  6. Step 6: Final answer
    x = 72,840.08

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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.