Home / 104,778.30-144,586.64-57,030.62

Finding the Fourth Proportional to 104,778.30, 144,586.64 and 57,030.62

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Solution

The fourth proportional to 104,778.30, 144,586.64 and 57,030.62 is: 78,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,778.30 : 144,586.64 = 57,030.62 : x
  2. Step 2: Convert to fraction form
    104,778.30/144,586.64 = 57,030.62/x
  3. Step 3: Cross multiply
    104,778.30x = 144,586.64 × 57,030.62
  4. Step 4: Simplify right side
    104,778.30x = 8,245,866,226.96
  5. Step 5: Solve for x
    x = 8,245,866,226.96/104,778.30
  6. Step 6: Final answer
    x = 78,698.22

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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.