Home / 51,916.38-77,936.27-43,698.66

Finding the Fourth Proportional to 51,916.38, 77,936.27 and 43,698.66

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Solution

The fourth proportional to 51,916.38, 77,936.27 and 43,698.66 is: 65,599.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,916.38 : 77,936.27 = 43,698.66 : x
  2. Step 2: Convert to fraction form
    51,916.38/77,936.27 = 43,698.66/x
  3. Step 3: Cross multiply
    51,916.38x = 77,936.27 × 43,698.66
  4. Step 4: Simplify right side
    51,916.38x = 3,405,710,345.90
  5. Step 5: Solve for x
    x = 3,405,710,345.90/51,916.38
  6. Step 6: Final answer
    x = 65,599.92

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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.