Home / 104,262.60-143,882.58-56,515.80

Finding the Fourth Proportional to 104,262.60, 143,882.58 and 56,515.80

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Solution

The fourth proportional to 104,262.60, 143,882.58 and 56,515.80 is: 77,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,262.60 : 143,882.58 = 56,515.80 : x
  2. Step 2: Convert to fraction form
    104,262.60/143,882.58 = 56,515.80/x
  3. Step 3: Cross multiply
    104,262.60x = 143,882.58 × 56,515.80
  4. Step 4: Simplify right side
    104,262.60x = 8,131,639,114.76
  5. Step 5: Solve for x
    x = 8,131,639,114.76/104,262.60
  6. Step 6: Final answer
    x = 77,991.91

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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.