Home / 57,133.37-78,817.56-36,996.77

Finding the Fourth Proportional to 57,133.37, 78,817.56 and 36,996.77

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Solution

The fourth proportional to 57,133.37, 78,817.56 and 36,996.77 is: 51,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,133.37 : 78,817.56 = 36,996.77 : x
  2. Step 2: Convert to fraction form
    57,133.37/78,817.56 = 36,996.77/x
  3. Step 3: Cross multiply
    57,133.37x = 78,817.56 × 36,996.77
  4. Step 4: Simplify right side
    57,133.37x = 2,915,994,745.19
  5. Step 5: Solve for x
    x = 2,915,994,745.19/57,133.37
  6. Step 6: Final answer
    x = 51,038.39

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1.5x scale

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.