Home / 57,927-86,948.74-39,146.84

Finding the Fourth Proportional to 57,927, 86,948.74 and 39,146.84

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Solution

The fourth proportional to 57,927, 86,948.74 and 39,146.84 is: 58,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,927 : 86,948.74 = 39,146.84 : x
  2. Step 2: Convert to fraction form
    57,927/86,948.74 = 39,146.84/x
  3. Step 3: Cross multiply
    57,927x = 86,948.74 × 39,146.84
  4. Step 4: Simplify right side
    57,927x = 3,403,768,412.98
  5. Step 5: Solve for x
    x = 3,403,768,412.98/57,927
  6. Step 6: Final answer
    x = 58,759.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.