Home / 57,922.20-86,864.79-18,470.07

Finding the Fourth Proportional to 57,922.20, 86,864.79 and 18,470.07

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Solution

The fourth proportional to 57,922.20, 86,864.79 and 18,470.07 is: 27,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,922.20 : 86,864.79 = 18,470.07 : x
  2. Step 2: Convert to fraction form
    57,922.20/86,864.79 = 18,470.07/x
  3. Step 3: Cross multiply
    57,922.20x = 86,864.79 × 18,470.07
  4. Step 4: Simplify right side
    57,922.20x = 1,604,398,751.84
  5. Step 5: Solve for x
    x = 1,604,398,751.84/57,922.20
  6. Step 6: Final answer
    x = 27,699.20

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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.