Home / 104,260.94-143,876.25-56,513.27

Finding the Fourth Proportional to 104,260.94, 143,876.25 and 56,513.27

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Solution

The fourth proportional to 104,260.94, 143,876.25 and 56,513.27 is: 77,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,260.94 : 143,876.25 = 56,513.27 : x
  2. Step 2: Convert to fraction form
    104,260.94/143,876.25 = 56,513.27/x
  3. Step 3: Cross multiply
    104,260.94x = 143,876.25 × 56,513.27
  4. Step 4: Simplify right side
    104,260.94x = 8,130,916,360.89
  5. Step 5: Solve for x
    x = 8,130,916,360.89/104,260.94
  6. Step 6: Final answer
    x = 77,986.22

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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.