Home / 89,861.64-124,004.70-49,577.64

Finding the Fourth Proportional to 89,861.64, 124,004.70 and 49,577.64

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Solution

The fourth proportional to 89,861.64, 124,004.70 and 49,577.64 is: 68,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861.64 : 124,004.70 = 49,577.64 : x
  2. Step 2: Convert to fraction form
    89,861.64/124,004.70 = 49,577.64/x
  3. Step 3: Cross multiply
    89,861.64x = 124,004.70 × 49,577.64
  4. Step 4: Simplify right side
    89,861.64x = 6,147,860,374.91
  5. Step 5: Solve for x
    x = 6,147,860,374.91/89,861.64
  6. Step 6: Final answer
    x = 68,414.74

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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.