Home / 55,897.40-83,651.70-51,231.80

Finding the Fourth Proportional to 55,897.40, 83,651.70 and 51,231.80

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Solution

The fourth proportional to 55,897.40, 83,651.70 and 51,231.80 is: 76,669.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,897.40 : 83,651.70 = 51,231.80 : x
  2. Step 2: Convert to fraction form
    55,897.40/83,651.70 = 51,231.80/x
  3. Step 3: Cross multiply
    55,897.40x = 83,651.70 × 51,231.80
  4. Step 4: Simplify right side
    55,897.40x = 4,285,627,164.06
  5. Step 5: Solve for x
    x = 4,285,627,164.06/55,897.40
  6. Step 6: Final answer
    x = 76,669.53

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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.