Home / 104,909.06-144,772.68-57,162.80

Finding the Fourth Proportional to 104,909.06, 144,772.68 and 57,162.80

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Solution

The fourth proportional to 104,909.06, 144,772.68 and 57,162.80 is: 78,883.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,909.06 : 144,772.68 = 57,162.80 : x
  2. Step 2: Convert to fraction form
    104,909.06/144,772.68 = 57,162.80/x
  3. Step 3: Cross multiply
    104,909.06x = 144,772.68 × 57,162.80
  4. Step 4: Simplify right side
    104,909.06x = 8,275,611,752.30
  5. Step 5: Solve for x
    x = 8,275,611,752.30/104,909.06
  6. Step 6: Final answer
    x = 78,883.67

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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.