Home / 104,790.55-144,610.97-57,044.25

Finding the Fourth Proportional to 104,790.55, 144,610.97 and 57,044.25

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Solution

The fourth proportional to 104,790.55, 144,610.97 and 57,044.25 is: 78,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,790.55 : 144,610.97 = 57,044.25 : x
  2. Step 2: Convert to fraction form
    104,790.55/144,610.97 = 57,044.25/x
  3. Step 3: Cross multiply
    104,790.55x = 144,610.97 × 57,044.25
  4. Step 4: Simplify right side
    104,790.55x = 8,249,224,325.42
  5. Step 5: Solve for x
    x = 8,249,224,325.42/104,790.55
  6. Step 6: Final answer
    x = 78,721.07

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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.