Home / 106,883.43-147,463.32-61,560.51

Finding the Fourth Proportional to 106,883.43, 147,463.32 and 61,560.51

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Solution

The fourth proportional to 106,883.43, 147,463.32 and 61,560.51 is: 84,932.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,883.43 : 147,463.32 = 61,560.51 : x
  2. Step 2: Convert to fraction form
    106,883.43/147,463.32 = 61,560.51/x
  3. Step 3: Cross multiply
    106,883.43x = 147,463.32 × 61,560.51
  4. Step 4: Simplify right side
    106,883.43x = 9,077,917,139.85
  5. Step 5: Solve for x
    x = 9,077,917,139.85/106,883.43
  6. Step 6: Final answer
    x = 84,932.87

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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.