Home / 106,763.26-147,328.72-58,364.30

Finding the Fourth Proportional to 106,763.26, 147,328.72 and 58,364.30

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Solution

The fourth proportional to 106,763.26, 147,328.72 and 58,364.30 is: 80,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,763.26 : 147,328.72 = 58,364.30 : x
  2. Step 2: Convert to fraction form
    106,763.26/147,328.72 = 58,364.30/x
  3. Step 3: Cross multiply
    106,763.26x = 147,328.72 × 58,364.30
  4. Step 4: Simplify right side
    106,763.26x = 8,598,736,730.14
  5. Step 5: Solve for x
    x = 8,598,736,730.14/106,763.26
  6. Step 6: Final answer
    x = 80,540.22

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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.