Home / 104,790.44-144,611.14-57,044.20

Finding the Fourth Proportional to 104,790.44, 144,611.14 and 57,044.20

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Solution

The fourth proportional to 104,790.44, 144,611.14 and 57,044.20 is: 78,721.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,790.44 : 144,611.14 = 57,044.20 : x
  2. Step 2: Convert to fraction form
    104,790.44/144,611.14 = 57,044.20/x
  3. Step 3: Cross multiply
    104,790.44x = 144,611.14 × 57,044.20
  4. Step 4: Simplify right side
    104,790.44x = 8,249,226,792.39
  5. Step 5: Solve for x
    x = 8,249,226,792.39/104,790.44
  6. Step 6: Final answer
    x = 78,721.18

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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.