Home / 89,551.23-123,539.25-53,679

Finding the Fourth Proportional to 89,551.23, 123,539.25 and 53,679

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Solution

The fourth proportional to 89,551.23, 123,539.25 and 53,679 is: 74,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,551.23 : 123,539.25 = 53,679 : x
  2. Step 2: Convert to fraction form
    89,551.23/123,539.25 = 53,679/x
  3. Step 3: Cross multiply
    89,551.23x = 123,539.25 × 53,679
  4. Step 4: Simplify right side
    89,551.23x = 6,631,463,400.75
  5. Step 5: Solve for x
    x = 6,631,463,400.75/89,551.23
  6. Step 6: Final answer
    x = 74,052.18

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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.