Home / 104,043.26-143,578.65-56,295.56

Finding the Fourth Proportional to 104,043.26, 143,578.65 and 56,295.56

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Solution

The fourth proportional to 104,043.26, 143,578.65 and 56,295.56 is: 77,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,043.26 : 143,578.65 = 56,295.56 : x
  2. Step 2: Convert to fraction form
    104,043.26/143,578.65 = 56,295.56/x
  3. Step 3: Cross multiply
    104,043.26x = 143,578.65 × 56,295.56
  4. Step 4: Simplify right side
    104,043.26x = 8,082,840,505.79
  5. Step 5: Solve for x
    x = 8,082,840,505.79/104,043.26
  6. Step 6: Final answer
    x = 77,687.31

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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.