Home / 89,811.88-123,947.46-49,529.32

Finding the Fourth Proportional to 89,811.88, 123,947.46 and 49,529.32

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Solution

The fourth proportional to 89,811.88, 123,947.46 and 49,529.32 is: 68,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,811.88 : 123,947.46 = 49,529.32 : x
  2. Step 2: Convert to fraction form
    89,811.88/123,947.46 = 49,529.32/x
  3. Step 3: Cross multiply
    89,811.88x = 123,947.46 × 49,529.32
  4. Step 4: Simplify right side
    89,811.88x = 6,139,033,409.53
  5. Step 5: Solve for x
    x = 6,139,033,409.53/89,811.88
  6. Step 6: Final answer
    x = 68,354.36

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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.