Home / 68,443.04-102,449.48-43,511.24

Finding the Fourth Proportional to 68,443.04, 102,449.48 and 43,511.24

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Solution

The fourth proportional to 68,443.04, 102,449.48 and 43,511.24 is: 65,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,443.04 : 102,449.48 = 43,511.24 : x
  2. Step 2: Convert to fraction form
    68,443.04/102,449.48 = 43,511.24/x
  3. Step 3: Cross multiply
    68,443.04x = 102,449.48 × 43,511.24
  4. Step 4: Simplify right side
    68,443.04x = 4,457,703,950.72
  5. Step 5: Solve for x
    x = 4,457,703,950.72/68,443.04
  6. Step 6: Final answer
    x = 65,130.13

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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.