Home / 86,863.56-130,314.47-49,441.25

Finding the Fourth Proportional to 86,863.56, 130,314.47 and 49,441.25

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Solution

The fourth proportional to 86,863.56, 130,314.47 and 49,441.25 is: 74,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,863.56 : 130,314.47 = 49,441.25 : x
  2. Step 2: Convert to fraction form
    86,863.56/130,314.47 = 49,441.25/x
  3. Step 3: Cross multiply
    86,863.56x = 130,314.47 × 49,441.25
  4. Step 4: Simplify right side
    86,863.56x = 6,442,910,289.89
  5. Step 5: Solve for x
    x = 6,442,910,289.89/86,863.56
  6. Step 6: Final answer
    x = 74,172.76

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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.