Home / 85,246.56-117,640.76-49,457.88

Finding the Fourth Proportional to 85,246.56, 117,640.76 and 49,457.88

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Solution

The fourth proportional to 85,246.56, 117,640.76 and 49,457.88 is: 68,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,246.56 : 117,640.76 = 49,457.88 : x
  2. Step 2: Convert to fraction form
    85,246.56/117,640.76 = 49,457.88/x
  3. Step 3: Cross multiply
    85,246.56x = 117,640.76 × 49,457.88
  4. Step 4: Simplify right side
    85,246.56x = 5,818,262,591.19
  5. Step 5: Solve for x
    x = 5,818,262,591.19/85,246.56
  6. Step 6: Final answer
    x = 68,252.17

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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.