Home / 104,895.99-144,756.45-57,149.73

Finding the Fourth Proportional to 104,895.99, 144,756.45 and 57,149.73

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Solution

The fourth proportional to 104,895.99, 144,756.45 and 57,149.73 is: 78,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,895.99 : 144,756.45 = 57,149.73 : x
  2. Step 2: Convert to fraction form
    104,895.99/144,756.45 = 57,149.73/x
  3. Step 3: Cross multiply
    104,895.99x = 144,756.45 × 57,149.73
  4. Step 4: Simplify right side
    104,895.99x = 8,272,792,033.26
  5. Step 5: Solve for x
    x = 8,272,792,033.26/104,895.99
  6. Step 6: Final answer
    x = 78,866.62

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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.