Home / 95,856.20-143,784.30-54,384.20

Finding the Fourth Proportional to 95,856.20, 143,784.30 and 54,384.20

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Solution

The fourth proportional to 95,856.20, 143,784.30 and 54,384.20 is: 81,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,856.20 : 143,784.30 = 54,384.20 : x
  2. Step 2: Convert to fraction form
    95,856.20/143,784.30 = 54,384.20/x
  3. Step 3: Cross multiply
    95,856.20x = 143,784.30 × 54,384.20
  4. Step 4: Simplify right side
    95,856.20x = 7,819,594,128.06
  5. Step 5: Solve for x
    x = 7,819,594,128.06/95,856.20
  6. Step 6: Final answer
    x = 81,576.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.