Home / 104,790.80-144,611.32-57,044.51

Finding the Fourth Proportional to 104,790.80, 144,611.32 and 57,044.51

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Solution

The fourth proportional to 104,790.80, 144,611.32 and 57,044.51 is: 78,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,790.80 : 144,611.32 = 57,044.51 : x
  2. Step 2: Convert to fraction form
    104,790.80/144,611.32 = 57,044.51/x
  3. Step 3: Cross multiply
    104,790.80x = 144,611.32 × 57,044.51
  4. Step 4: Simplify right side
    104,790.80x = 8,249,281,889.85
  5. Step 5: Solve for x
    x = 8,249,281,889.85/104,790.80
  6. Step 6: Final answer
    x = 78,721.43

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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.