Home / 109,126.85-163,777.75-56,551.37

Finding the Fourth Proportional to 109,126.85, 163,777.75 and 56,551.37

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Solution

The fourth proportional to 109,126.85, 163,777.75 and 56,551.37 is: 84,872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,126.85 : 163,777.75 = 56,551.37 : x
  2. Step 2: Convert to fraction form
    109,126.85/163,777.75 = 56,551.37/x
  3. Step 3: Cross multiply
    109,126.85x = 163,777.75 × 56,551.37
  4. Step 4: Simplify right side
    109,126.85x = 9,261,855,177.75
  5. Step 5: Solve for x
    x = 9,261,855,177.75/109,126.85
  6. Step 6: Final answer
    x = 84,872.38

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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.