Home / 82,041.36-123,068.07-29,451.30

Finding the Fourth Proportional to 82,041.36, 123,068.07 and 29,451.30

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Solution

The fourth proportional to 82,041.36, 123,068.07 and 29,451.30 is: 44,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,041.36 : 123,068.07 = 29,451.30 : x
  2. Step 2: Convert to fraction form
    82,041.36/123,068.07 = 29,451.30/x
  3. Step 3: Cross multiply
    82,041.36x = 123,068.07 × 29,451.30
  4. Step 4: Simplify right side
    82,041.36x = 3,624,514,649.99
  5. Step 5: Solve for x
    x = 3,624,514,649.99/82,041.36
  6. Step 6: Final answer
    x = 44,179.11

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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.