Home / 55,423.26-83,142.72-17,970.75

Finding the Fourth Proportional to 55,423.26, 83,142.72 and 17,970.75

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Solution

The fourth proportional to 55,423.26, 83,142.72 and 17,970.75 is: 26,958.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423.26 : 83,142.72 = 17,970.75 : x
  2. Step 2: Convert to fraction form
    55,423.26/83,142.72 = 17,970.75/x
  3. Step 3: Cross multiply
    55,423.26x = 83,142.72 × 17,970.75
  4. Step 4: Simplify right side
    55,423.26x = 1,494,137,035.44
  5. Step 5: Solve for x
    x = 1,494,137,035.44/55,423.26
  6. Step 6: Final answer
    x = 26,958.66

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1.5x scale

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.