Home / 106,389.35-146,817.30-58,643.72

Finding the Fourth Proportional to 106,389.35, 146,817.30 and 58,643.72

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Solution

The fourth proportional to 106,389.35, 146,817.30 and 58,643.72 is: 80,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,389.35 : 146,817.30 = 58,643.72 : x
  2. Step 2: Convert to fraction form
    106,389.35/146,817.30 = 58,643.72/x
  3. Step 3: Cross multiply
    106,389.35x = 146,817.30 × 58,643.72
  4. Step 4: Simplify right side
    106,389.35x = 8,609,911,898.27
  5. Step 5: Solve for x
    x = 8,609,911,898.27/106,389.35
  6. Step 6: Final answer
    x = 80,928.33

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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.