Home / 102,305.48-141,188.65-62,020.94

Finding the Fourth Proportional to 102,305.48, 141,188.65 and 62,020.94

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Solution

The fourth proportional to 102,305.48, 141,188.65 and 62,020.94 is: 85,593.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,305.48 : 141,188.65 = 62,020.94 : x
  2. Step 2: Convert to fraction form
    102,305.48/141,188.65 = 62,020.94/x
  3. Step 3: Cross multiply
    102,305.48x = 141,188.65 × 62,020.94
  4. Step 4: Simplify right side
    102,305.48x = 8,756,652,790.33
  5. Step 5: Solve for x
    x = 8,756,652,790.33/102,305.48
  6. Step 6: Final answer
    x = 85,593.19

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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.