Home / 106,977.39-147,631.10-58,581.36

Finding the Fourth Proportional to 106,977.39, 147,631.10 and 58,581.36

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Solution

The fourth proportional to 106,977.39, 147,631.10 and 58,581.36 is: 80,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,977.39 : 147,631.10 = 58,581.36 : x
  2. Step 2: Convert to fraction form
    106,977.39/147,631.10 = 58,581.36/x
  3. Step 3: Cross multiply
    106,977.39x = 147,631.10 × 58,581.36
  4. Step 4: Simplify right side
    106,977.39x = 8,648,430,323.39
  5. Step 5: Solve for x
    x = 8,648,430,323.39/106,977.39
  6. Step 6: Final answer
    x = 80,843.53

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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.