Home / 55,595.45-83,392.43-13,475.90

Finding the Fourth Proportional to 55,595.45, 83,392.43 and 13,475.90

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Solution

The fourth proportional to 55,595.45, 83,392.43 and 13,475.90 is: 20,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,595.45 : 83,392.43 = 13,475.90 : x
  2. Step 2: Convert to fraction form
    55,595.45/83,392.43 = 13,475.90/x
  3. Step 3: Cross multiply
    55,595.45x = 83,392.43 × 13,475.90
  4. Step 4: Simplify right side
    55,595.45x = 1,123,787,563.10
  5. Step 5: Solve for x
    x = 1,123,787,563.10/55,595.45
  6. Step 6: Final answer
    x = 20,213.66

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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.