Home / 57,724.84-86,465.76-36,654.31

Finding the Fourth Proportional to 57,724.84, 86,465.76 and 36,654.31

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Solution

The fourth proportional to 57,724.84, 86,465.76 and 36,654.31 is: 54,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,724.84 : 86,465.76 = 36,654.31 : x
  2. Step 2: Convert to fraction form
    57,724.84/86,465.76 = 36,654.31/x
  3. Step 3: Cross multiply
    57,724.84x = 86,465.76 × 36,654.31
  4. Step 4: Simplify right side
    57,724.84x = 3,169,342,771.43
  5. Step 5: Solve for x
    x = 3,169,342,771.43/57,724.84
  6. Step 6: Final answer
    x = 54,904.31

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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.