Home / 89,697.26-123,782.36-49,411.19

Finding the Fourth Proportional to 89,697.26, 123,782.36 and 49,411.19

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Solution

The fourth proportional to 89,697.26, 123,782.36 and 49,411.19 is: 68,187.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,697.26 : 123,782.36 = 49,411.19 : x
  2. Step 2: Convert to fraction form
    89,697.26/123,782.36 = 49,411.19/x
  3. Step 3: Cross multiply
    89,697.26x = 123,782.36 × 49,411.19
  4. Step 4: Simplify right side
    89,697.26x = 6,116,232,842.64
  5. Step 5: Solve for x
    x = 6,116,232,842.64/89,697.26
  6. Step 6: Final answer
    x = 68,187.51

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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.