Home / 86,744.91-130,028.73-49,225.75

Finding the Fourth Proportional to 86,744.91, 130,028.73 and 49,225.75

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Solution

The fourth proportional to 86,744.91, 130,028.73 and 49,225.75 is: 73,788.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,744.91 : 130,028.73 = 49,225.75 : x
  2. Step 2: Convert to fraction form
    86,744.91/130,028.73 = 49,225.75/x
  3. Step 3: Cross multiply
    86,744.91x = 130,028.73 × 49,225.75
  4. Step 4: Simplify right side
    86,744.91x = 6,400,761,755.80
  5. Step 5: Solve for x
    x = 6,400,761,755.80/86,744.91
  6. Step 6: Final answer
    x = 73,788.33

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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.