Home / 89,485.24-123,487.02-49,198.96

Finding the Fourth Proportional to 89,485.24, 123,487.02 and 49,198.96

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Solution

The fourth proportional to 89,485.24, 123,487.02 and 49,198.96 is: 67,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,485.24 : 123,487.02 = 49,198.96 : x
  2. Step 2: Convert to fraction form
    89,485.24/123,487.02 = 49,198.96/x
  3. Step 3: Cross multiply
    89,485.24x = 123,487.02 × 49,198.96
  4. Step 4: Simplify right side
    89,485.24x = 6,075,432,957.50
  5. Step 5: Solve for x
    x = 6,075,432,957.50/89,485.24
  6. Step 6: Final answer
    x = 67,893.13

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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.