Home / 89,735.46-123,842.16-49,457.40

Finding the Fourth Proportional to 89,735.46, 123,842.16 and 49,457.40

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Solution

The fourth proportional to 89,735.46, 123,842.16 and 49,457.40 is: 68,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,735.46 : 123,842.16 = 49,457.40 : x
  2. Step 2: Convert to fraction form
    89,735.46/123,842.16 = 49,457.40/x
  3. Step 3: Cross multiply
    89,735.46x = 123,842.16 × 49,457.40
  4. Step 4: Simplify right side
    89,735.46x = 6,124,911,243.98
  5. Step 5: Solve for x
    x = 6,124,911,243.98/89,735.46
  6. Step 6: Final answer
    x = 68,255.19

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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.