Home / 86,414.45-129,580.36-44,314.70

Finding the Fourth Proportional to 86,414.45, 129,580.36 and 44,314.70

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Solution

The fourth proportional to 86,414.45, 129,580.36 and 44,314.70 is: 66,450.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,414.45 : 129,580.36 = 44,314.70 : x
  2. Step 2: Convert to fraction form
    86,414.45/129,580.36 = 44,314.70/x
  3. Step 3: Cross multiply
    86,414.45x = 129,580.36 × 44,314.70
  4. Step 4: Simplify right side
    86,414.45x = 5,742,314,020.60
  5. Step 5: Solve for x
    x = 5,742,314,020.60/86,414.45
  6. Step 6: Final answer
    x = 66,450.86

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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.