Home / 56,815.98-78,341.07-36,371.18

Finding the Fourth Proportional to 56,815.98, 78,341.07 and 36,371.18

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Solution

The fourth proportional to 56,815.98, 78,341.07 and 36,371.18 is: 50,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,815.98 : 78,341.07 = 36,371.18 : x
  2. Step 2: Convert to fraction form
    56,815.98/78,341.07 = 36,371.18/x
  3. Step 3: Cross multiply
    56,815.98x = 78,341.07 × 36,371.18
  4. Step 4: Simplify right side
    56,815.98x = 2,849,357,049.94
  5. Step 5: Solve for x
    x = 2,849,357,049.94/56,815.98
  6. Step 6: Final answer
    x = 50,150.63

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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.