Home / 82,035.12-123,048.96-22,869.60

Finding the Fourth Proportional to 82,035.12, 123,048.96 and 22,869.60

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Solution

The fourth proportional to 82,035.12, 123,048.96 and 22,869.60 is: 34,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,035.12 : 123,048.96 = 22,869.60 : x
  2. Step 2: Convert to fraction form
    82,035.12/123,048.96 = 22,869.60/x
  3. Step 3: Cross multiply
    82,035.12x = 123,048.96 × 22,869.60
  4. Step 4: Simplify right side
    82,035.12x = 2,814,080,495.62
  5. Step 5: Solve for x
    x = 2,814,080,495.62/82,035.12
  6. Step 6: Final answer
    x = 34,303.36

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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.