Home / 89,482.11-123,485.40-49,196.56

Finding the Fourth Proportional to 89,482.11, 123,485.40 and 49,196.56

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Solution

The fourth proportional to 89,482.11, 123,485.40 and 49,196.56 is: 67,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,482.11 : 123,485.40 = 49,196.56 : x
  2. Step 2: Convert to fraction form
    89,482.11/123,485.40 = 49,196.56/x
  3. Step 3: Cross multiply
    89,482.11x = 123,485.40 × 49,196.56
  4. Step 4: Simplify right side
    89,482.11x = 6,075,056,644.24
  5. Step 5: Solve for x
    x = 6,075,056,644.24/89,482.11
  6. Step 6: Final answer
    x = 67,891.30

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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.