Home / 86,819.04-130,237.07-44,583.21

Finding the Fourth Proportional to 86,819.04, 130,237.07 and 44,583.21

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Solution

The fourth proportional to 86,819.04, 130,237.07 and 44,583.21 is: 66,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,819.04 : 130,237.07 = 44,583.21 : x
  2. Step 2: Convert to fraction form
    86,819.04/130,237.07 = 44,583.21/x
  3. Step 3: Cross multiply
    86,819.04x = 130,237.07 × 44,583.21
  4. Step 4: Simplify right side
    86,819.04x = 5,806,386,418.68
  5. Step 5: Solve for x
    x = 5,806,386,418.68/86,819.04
  6. Step 6: Final answer
    x = 66,879.18

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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.