Home / 51,329.36-77,018.40-35,558.66

Finding the Fourth Proportional to 51,329.36, 77,018.40 and 35,558.66

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Solution

The fourth proportional to 51,329.36, 77,018.40 and 35,558.66 is: 53,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,329.36 : 77,018.40 = 35,558.66 : x
  2. Step 2: Convert to fraction form
    51,329.36/77,018.40 = 35,558.66/x
  3. Step 3: Cross multiply
    51,329.36x = 77,018.40 × 35,558.66
  4. Step 4: Simplify right side
    51,329.36x = 2,738,670,714.25
  5. Step 5: Solve for x
    x = 2,738,670,714.25/51,329.36
  6. Step 6: Final answer
    x = 53,354.86

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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.