Home / 89,520.93-123,539.72-48,685.43

Finding the Fourth Proportional to 89,520.93, 123,539.72 and 48,685.43

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Solution

The fourth proportional to 89,520.93, 123,539.72 and 48,685.43 is: 67,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,520.93 : 123,539.72 = 48,685.43 : x
  2. Step 2: Convert to fraction form
    89,520.93/123,539.72 = 48,685.43/x
  3. Step 3: Cross multiply
    89,520.93x = 123,539.72 × 48,685.43
  4. Step 4: Simplify right side
    89,520.93x = 6,014,584,146.85
  5. Step 5: Solve for x
    x = 6,014,584,146.85/89,520.93
  6. Step 6: Final answer
    x = 67,186.35

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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.