Home / 93,786.76-129,438.05-53,491.29

Finding the Fourth Proportional to 93,786.76, 129,438.05 and 53,491.29

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Solution

The fourth proportional to 93,786.76, 129,438.05 and 53,491.29 is: 73,825.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,786.76 : 129,438.05 = 53,491.29 : x
  2. Step 2: Convert to fraction form
    93,786.76/129,438.05 = 53,491.29/x
  3. Step 3: Cross multiply
    93,786.76x = 129,438.05 × 53,491.29
  4. Step 4: Simplify right side
    93,786.76x = 6,923,807,817.62
  5. Step 5: Solve for x
    x = 6,923,807,817.62/93,786.76
  6. Step 6: Final answer
    x = 73,825.00

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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.