Home / 61,028.79-91,085.66-57,042.96

Finding the Fourth Proportional to 61,028.79, 91,085.66 and 57,042.96

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Solution

The fourth proportional to 61,028.79, 91,085.66 and 57,042.96 is: 85,136.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,028.79 : 91,085.66 = 57,042.96 : x
  2. Step 2: Convert to fraction form
    61,028.79/91,085.66 = 57,042.96/x
  3. Step 3: Cross multiply
    61,028.79x = 91,085.66 × 57,042.96
  4. Step 4: Simplify right side
    61,028.79x = 5,195,795,374.74
  5. Step 5: Solve for x
    x = 5,195,795,374.74/61,028.79
  6. Step 6: Final answer
    x = 85,136.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.