Home / 93,619.90-129,195.46-51,178.43

Finding the Fourth Proportional to 93,619.90, 129,195.46 and 51,178.43

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Solution

The fourth proportional to 93,619.90, 129,195.46 and 51,178.43 is: 70,626.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,619.90 : 129,195.46 = 51,178.43 : x
  2. Step 2: Convert to fraction form
    93,619.90/129,195.46 = 51,178.43/x
  3. Step 3: Cross multiply
    93,619.90x = 129,195.46 × 51,178.43
  4. Step 4: Simplify right side
    93,619.90x = 6,612,021,192.89
  5. Step 5: Solve for x
    x = 6,612,021,192.89/93,619.90
  6. Step 6: Final answer
    x = 70,626.24

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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.