Home / 89,716.69-123,811.84-51,483.24

Finding the Fourth Proportional to 89,716.69, 123,811.84 and 51,483.24

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Solution

The fourth proportional to 89,716.69, 123,811.84 and 51,483.24 is: 71,048.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,716.69 : 123,811.84 = 51,483.24 : x
  2. Step 2: Convert to fraction form
    89,716.69/123,811.84 = 51,483.24/x
  3. Step 3: Cross multiply
    89,716.69x = 123,811.84 × 51,483.24
  4. Step 4: Simplify right side
    89,716.69x = 6,374,234,673.56
  5. Step 5: Solve for x
    x = 6,374,234,673.56/89,716.69
  6. Step 6: Final answer
    x = 71,048.48

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1.5x scale

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.