Home / 89,384.31-123,352.65-50,619.02

Finding the Fourth Proportional to 89,384.31, 123,352.65 and 50,619.02

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Solution

The fourth proportional to 89,384.31, 123,352.65 and 50,619.02 is: 69,855.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,384.31 : 123,352.65 = 50,619.02 : x
  2. Step 2: Convert to fraction form
    89,384.31/123,352.65 = 50,619.02/x
  3. Step 3: Cross multiply
    89,384.31x = 123,352.65 × 50,619.02
  4. Step 4: Simplify right side
    89,384.31x = 6,243,989,640.64
  5. Step 5: Solve for x
    x = 6,243,989,640.64/89,384.31
  6. Step 6: Final answer
    x = 69,855.54

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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.