Home / 57,977.39-86,810.20-36,802.81

Finding the Fourth Proportional to 57,977.39, 86,810.20 and 36,802.81

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Solution

The fourth proportional to 57,977.39, 86,810.20 and 36,802.81 is: 55,105.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,977.39 : 86,810.20 = 36,802.81 : x
  2. Step 2: Convert to fraction form
    57,977.39/86,810.20 = 36,802.81/x
  3. Step 3: Cross multiply
    57,977.39x = 86,810.20 × 36,802.81
  4. Step 4: Simplify right side
    57,977.39x = 3,194,858,678.60
  5. Step 5: Solve for x
    x = 3,194,858,678.60/57,977.39
  6. Step 6: Final answer
    x = 55,105.25

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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.