Home / 89,485.66-123,491.06-49,199.70

Finding the Fourth Proportional to 89,485.66, 123,491.06 and 49,199.70

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Solution

The fourth proportional to 89,485.66, 123,491.06 and 49,199.70 is: 67,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,485.66 : 123,491.06 = 49,199.70 : x
  2. Step 2: Convert to fraction form
    89,485.66/123,491.06 = 49,199.70/x
  3. Step 3: Cross multiply
    89,485.66x = 123,491.06 × 49,199.70
  4. Step 4: Simplify right side
    89,485.66x = 6,075,723,104.68
  5. Step 5: Solve for x
    x = 6,075,723,104.68/89,485.66
  6. Step 6: Final answer
    x = 67,896.05

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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.