Home / 104,029.87-143,560.20-56,282.20

Finding the Fourth Proportional to 104,029.87, 143,560.20 and 56,282.20

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Solution

The fourth proportional to 104,029.87, 143,560.20 and 56,282.20 is: 77,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,029.87 : 143,560.20 = 56,282.20 : x
  2. Step 2: Convert to fraction form
    104,029.87/143,560.20 = 56,282.20/x
  3. Step 3: Cross multiply
    104,029.87x = 143,560.20 × 56,282.20
  4. Step 4: Simplify right side
    104,029.87x = 8,079,883,888.44
  5. Step 5: Solve for x
    x = 8,079,883,888.44/104,029.87
  6. Step 6: Final answer
    x = 77,668.88

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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.