Home / 45,929.39-68,896.65-14,343.81

Finding the Fourth Proportional to 45,929.39, 68,896.65 and 14,343.81

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Solution

The fourth proportional to 45,929.39, 68,896.65 and 14,343.81 is: 21,516.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,929.39 : 68,896.65 = 14,343.81 : x
  2. Step 2: Convert to fraction form
    45,929.39/68,896.65 = 14,343.81/x
  3. Step 3: Cross multiply
    45,929.39x = 68,896.65 × 14,343.81
  4. Step 4: Simplify right side
    45,929.39x = 988,240,457.24
  5. Step 5: Solve for x
    x = 988,240,457.24/45,929.39
  6. Step 6: Final answer
    x = 21,516.52

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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.