Home / 82,752.14-123,971.62-48,916.86

Finding the Fourth Proportional to 82,752.14, 123,971.62 and 48,916.86

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Solution

The fourth proportional to 82,752.14, 123,971.62 and 48,916.86 is: 73,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,752.14 : 123,971.62 = 48,916.86 : x
  2. Step 2: Convert to fraction form
    82,752.14/123,971.62 = 48,916.86/x
  3. Step 3: Cross multiply
    82,752.14x = 123,971.62 × 48,916.86
  4. Step 4: Simplify right side
    82,752.14x = 6,064,302,379.51
  5. Step 5: Solve for x
    x = 6,064,302,379.51/82,752.14
  6. Step 6: Final answer
    x = 73,282.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.