Home / 106,977.89-147,631.79-58,581.86

Finding the Fourth Proportional to 106,977.89, 147,631.79 and 58,581.86

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Solution

The fourth proportional to 106,977.89, 147,631.79 and 58,581.86 is: 80,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,977.89 : 147,631.79 = 58,581.86 : x
  2. Step 2: Convert to fraction form
    106,977.89/147,631.79 = 58,581.86/x
  3. Step 3: Cross multiply
    106,977.89x = 147,631.79 × 58,581.86
  4. Step 4: Simplify right side
    106,977.89x = 8,648,544,853.33
  5. Step 5: Solve for x
    x = 8,648,544,853.33/106,977.89
  6. Step 6: Final answer
    x = 80,844.23

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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.