Home / 104,650.38-156,975.72-48,459.87

Finding the Fourth Proportional to 104,650.38, 156,975.72 and 48,459.87

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Solution

The fourth proportional to 104,650.38, 156,975.72 and 48,459.87 is: 72,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,650.38 : 156,975.72 = 48,459.87 : x
  2. Step 2: Convert to fraction form
    104,650.38/156,975.72 = 48,459.87/x
  3. Step 3: Cross multiply
    104,650.38x = 156,975.72 × 48,459.87
  4. Step 4: Simplify right side
    104,650.38x = 7,607,022,984.36
  5. Step 5: Solve for x
    x = 7,607,022,984.36/104,650.38
  6. Step 6: Final answer
    x = 72,689.87

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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.