Home / 79,664.10-119,468.61-35,321.87

Finding the Fourth Proportional to 79,664.10, 119,468.61 and 35,321.87

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Solution

The fourth proportional to 79,664.10, 119,468.61 and 35,321.87 is: 52,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,664.10 : 119,468.61 = 35,321.87 : x
  2. Step 2: Convert to fraction form
    79,664.10/119,468.61 = 35,321.87/x
  3. Step 3: Cross multiply
    79,664.10x = 119,468.61 × 35,321.87
  4. Step 4: Simplify right side
    79,664.10x = 4,219,854,114.16
  5. Step 5: Solve for x
    x = 4,219,854,114.16/79,664.10
  6. Step 6: Final answer
    x = 52,970.59

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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.