Home / 104,943.41-144,817.67-57,195.72

Finding the Fourth Proportional to 104,943.41, 144,817.67 and 57,195.72

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Solution

The fourth proportional to 104,943.41, 144,817.67 and 57,195.72 is: 78,927.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,943.41 : 144,817.67 = 57,195.72 : x
  2. Step 2: Convert to fraction form
    104,943.41/144,817.67 = 57,195.72/x
  3. Step 3: Cross multiply
    104,943.41x = 144,817.67 × 57,195.72
  4. Step 4: Simplify right side
    104,943.41x = 8,282,950,618.39
  5. Step 5: Solve for x
    x = 8,282,950,618.39/104,943.41
  6. Step 6: Final answer
    x = 78,927.79

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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.