Home / 98,930.46-136,517.53-63,116.65

Finding the Fourth Proportional to 98,930.46, 136,517.53 and 63,116.65

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Solution

The fourth proportional to 98,930.46, 136,517.53 and 63,116.65 is: 87,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,930.46 : 136,517.53 = 63,116.65 : x
  2. Step 2: Convert to fraction form
    98,930.46/136,517.53 = 63,116.65/x
  3. Step 3: Cross multiply
    98,930.46x = 136,517.53 × 63,116.65
  4. Step 4: Simplify right side
    98,930.46x = 8,616,529,159.87
  5. Step 5: Solve for x
    x = 8,616,529,159.87/98,930.46
  6. Step 6: Final answer
    x = 87,096.83

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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.