Home / 89,539.24-123,558.06-51,819.16

Finding the Fourth Proportional to 89,539.24, 123,558.06 and 51,819.16

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Solution

The fourth proportional to 89,539.24, 123,558.06 and 51,819.16 is: 71,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,539.24 : 123,558.06 = 51,819.16 : x
  2. Step 2: Convert to fraction form
    89,539.24/123,558.06 = 51,819.16/x
  3. Step 3: Cross multiply
    89,539.24x = 123,558.06 × 51,819.16
  4. Step 4: Simplify right side
    89,539.24x = 6,402,674,880.43
  5. Step 5: Solve for x
    x = 6,402,674,880.43/89,539.24
  6. Step 6: Final answer
    x = 71,506.92

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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.