Home / 89,762.82-123,867.05-49,474.36

Finding the Fourth Proportional to 89,762.82, 123,867.05 and 49,474.36

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Solution

The fourth proportional to 89,762.82, 123,867.05 and 49,474.36 is: 68,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,762.82 : 123,867.05 = 49,474.36 : x
  2. Step 2: Convert to fraction form
    89,762.82/123,867.05 = 49,474.36/x
  3. Step 3: Cross multiply
    89,762.82x = 123,867.05 × 49,474.36
  4. Step 4: Simplify right side
    89,762.82x = 6,128,243,023.84
  5. Step 5: Solve for x
    x = 6,128,243,023.84/89,762.82
  6. Step 6: Final answer
    x = 68,271.51

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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.