Home / 106,260.75-146,639.88-58,513.95

Finding the Fourth Proportional to 106,260.75, 146,639.88 and 58,513.95

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Solution

The fourth proportional to 106,260.75, 146,639.88 and 58,513.95 is: 80,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,260.75 : 146,639.88 = 58,513.95 : x
  2. Step 2: Convert to fraction form
    106,260.75/146,639.88 = 58,513.95/x
  3. Step 3: Cross multiply
    106,260.75x = 146,639.88 × 58,513.95
  4. Step 4: Simplify right side
    106,260.75x = 8,580,478,606.33
  5. Step 5: Solve for x
    x = 8,580,478,606.33/106,260.75
  6. Step 6: Final answer
    x = 80,749.28

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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.