Home / 89,440.21-123,424.99-49,153.96

Finding the Fourth Proportional to 89,440.21, 123,424.99 and 49,153.96

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Solution

The fourth proportional to 89,440.21, 123,424.99 and 49,153.96 is: 67,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,440.21 : 123,424.99 = 49,153.96 : x
  2. Step 2: Convert to fraction form
    89,440.21/123,424.99 = 49,153.96/x
  3. Step 3: Cross multiply
    89,440.21x = 123,424.99 × 49,153.96
  4. Step 4: Simplify right side
    89,440.21x = 6,066,827,021.46
  5. Step 5: Solve for x
    x = 6,066,827,021.46/89,440.21
  6. Step 6: Final answer
    x = 67,831.09

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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.