Home / 102,236.70-141,083.19-57,516.06

Finding the Fourth Proportional to 102,236.70, 141,083.19 and 57,516.06

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Solution

The fourth proportional to 102,236.70, 141,083.19 and 57,516.06 is: 79,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,236.70 : 141,083.19 = 57,516.06 : x
  2. Step 2: Convert to fraction form
    102,236.70/141,083.19 = 57,516.06/x
  3. Step 3: Cross multiply
    102,236.70x = 141,083.19 × 57,516.06
  4. Step 4: Simplify right side
    102,236.70x = 8,114,549,221.03
  5. Step 5: Solve for x
    x = 8,114,549,221.03/102,236.70
  6. Step 6: Final answer
    x = 79,370.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.