Home / 89,606.43-123,655.89-49,319.32

Finding the Fourth Proportional to 89,606.43, 123,655.89 and 49,319.32

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Solution

The fourth proportional to 89,606.43, 123,655.89 and 49,319.32 is: 68,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,606.43 : 123,655.89 = 49,319.32 : x
  2. Step 2: Convert to fraction form
    89,606.43/123,655.89 = 49,319.32/x
  3. Step 3: Cross multiply
    89,606.43x = 123,655.89 × 49,319.32
  4. Step 4: Simplify right side
    89,606.43x = 6,098,624,285.50
  5. Step 5: Solve for x
    x = 6,098,624,285.50/89,606.43
  6. Step 6: Final answer
    x = 68,060.12

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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.