Home / 106,265.13-146,643.64-58,518.87

Finding the Fourth Proportional to 106,265.13, 146,643.64 and 58,518.87

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Solution

The fourth proportional to 106,265.13, 146,643.64 and 58,518.87 is: 80,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,265.13 : 146,643.64 = 58,518.87 : x
  2. Step 2: Convert to fraction form
    106,265.13/146,643.64 = 58,518.87/x
  3. Step 3: Cross multiply
    106,265.13x = 146,643.64 × 58,518.87
  4. Step 4: Simplify right side
    106,265.13x = 8,581,420,105.49
  5. Step 5: Solve for x
    x = 8,581,420,105.49/106,265.13
  6. Step 6: Final answer
    x = 80,754.81

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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.