Home / 57,805.16-86,701.52-39,204.60

Finding the Fourth Proportional to 57,805.16, 86,701.52 and 39,204.60

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Solution

The fourth proportional to 57,805.16, 86,701.52 and 39,204.60 is: 58,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,805.16 : 86,701.52 = 39,204.60 : x
  2. Step 2: Convert to fraction form
    57,805.16/86,701.52 = 39,204.60/x
  3. Step 3: Cross multiply
    57,805.16x = 86,701.52 × 39,204.60
  4. Step 4: Simplify right side
    57,805.16x = 3,399,098,410.99
  5. Step 5: Solve for x
    x = 3,399,098,410.99/57,805.16
  6. Step 6: Final answer
    x = 58,802.68

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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.