Home / 85,713.45-128,653.09-41,371.41

Finding the Fourth Proportional to 85,713.45, 128,653.09 and 41,371.41

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Solution

The fourth proportional to 85,713.45, 128,653.09 and 41,371.41 is: 62,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,713.45 : 128,653.09 = 41,371.41 : x
  2. Step 2: Convert to fraction form
    85,713.45/128,653.09 = 41,371.41/x
  3. Step 3: Cross multiply
    85,713.45x = 128,653.09 × 41,371.41
  4. Step 4: Simplify right side
    85,713.45x = 5,322,559,734.16
  5. Step 5: Solve for x
    x = 5,322,559,734.16/85,713.45
  6. Step 6: Final answer
    x = 62,097.14

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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.