Home / 106,605.17-147,117.43-58,861.54

Finding the Fourth Proportional to 106,605.17, 147,117.43 and 58,861.54

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Solution

The fourth proportional to 106,605.17, 147,117.43 and 58,861.54 is: 81,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,605.17 : 147,117.43 = 58,861.54 : x
  2. Step 2: Convert to fraction form
    106,605.17/147,117.43 = 58,861.54/x
  3. Step 3: Cross multiply
    106,605.17x = 147,117.43 × 58,861.54
  4. Step 4: Simplify right side
    106,605.17x = 8,659,558,490.64
  5. Step 5: Solve for x
    x = 8,659,558,490.64/106,605.17
  6. Step 6: Final answer
    x = 81,230.19

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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.