Home / 76,085.97-104,934.90-57,010.53

Finding the Fourth Proportional to 76,085.97, 104,934.90 and 57,010.53

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Solution

The fourth proportional to 76,085.97, 104,934.90 and 57,010.53 is: 78,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,085.97 : 104,934.90 = 57,010.53 : x
  2. Step 2: Convert to fraction form
    76,085.97/104,934.90 = 57,010.53/x
  3. Step 3: Cross multiply
    76,085.97x = 104,934.90 × 57,010.53
  4. Step 4: Simplify right side
    76,085.97x = 5,982,394,264.50
  5. Step 5: Solve for x
    x = 5,982,394,264.50/76,085.97
  6. Step 6: Final answer
    x = 78,626.77

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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.