Home / 82,678.10-114,099.09-46,872.50

Finding the Fourth Proportional to 82,678.10, 114,099.09 and 46,872.50

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Solution

The fourth proportional to 82,678.10, 114,099.09 and 46,872.50 is: 64,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,678.10 : 114,099.09 = 46,872.50 : x
  2. Step 2: Convert to fraction form
    82,678.10/114,099.09 = 46,872.50/x
  3. Step 3: Cross multiply
    82,678.10x = 114,099.09 × 46,872.50
  4. Step 4: Simplify right side
    82,678.10x = 5,348,109,596.03
  5. Step 5: Solve for x
    x = 5,348,109,596.03/82,678.10
  6. Step 6: Final answer
    x = 64,685.93

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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.