Home / 29,312.05-43,967.69-7,125.36

Finding the Fourth Proportional to 29,312.05, 43,967.69 and 7,125.36

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Solution

The fourth proportional to 29,312.05, 43,967.69 and 7,125.36 is: 10,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.05 : 43,967.69 = 7,125.36 : x
  2. Step 2: Convert to fraction form
    29,312.05/43,967.69 = 7,125.36/x
  3. Step 3: Cross multiply
    29,312.05x = 43,967.69 × 7,125.36
  4. Step 4: Simplify right side
    29,312.05x = 313,285,583.99
  5. Step 5: Solve for x
    x = 313,285,583.99/29,312.05
  6. Step 6: Final answer
    x = 10,687.95

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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.