Home / 115,786.13-159,784.85-62,794.13

Finding the Fourth Proportional to 115,786.13, 159,784.85 and 62,794.13

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Solution

The fourth proportional to 115,786.13, 159,784.85 and 62,794.13 is: 86,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,786.13 : 159,784.85 = 62,794.13 : x
  2. Step 2: Convert to fraction form
    115,786.13/159,784.85 = 62,794.13/x
  3. Step 3: Cross multiply
    115,786.13x = 159,784.85 × 62,794.13
  4. Step 4: Simplify right side
    115,786.13x = 10,033,550,000.99
  5. Step 5: Solve for x
    x = 10,033,550,000.99/115,786.13
  6. Step 6: Final answer
    x = 86,655.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.