Home / 106,554.85-147,046.01-58,157.23

Finding the Fourth Proportional to 106,554.85, 147,046.01 and 58,157.23

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Solution

The fourth proportional to 106,554.85, 147,046.01 and 58,157.23 is: 80,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,554.85 : 147,046.01 = 58,157.23 : x
  2. Step 2: Convert to fraction form
    106,554.85/147,046.01 = 58,157.23/x
  3. Step 3: Cross multiply
    106,554.85x = 147,046.01 × 58,157.23
  4. Step 4: Simplify right side
    106,554.85x = 8,551,788,624.15
  5. Step 5: Solve for x
    x = 8,551,788,624.15/106,554.85
  6. Step 6: Final answer
    x = 80,257.15

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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.