Home / 45,812.28-68,714.10-14,639.16

Finding the Fourth Proportional to 45,812.28, 68,714.10 and 14,639.16

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Solution

The fourth proportional to 45,812.28, 68,714.10 and 14,639.16 is: 21,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,812.28 : 68,714.10 = 14,639.16 : x
  2. Step 2: Convert to fraction form
    45,812.28/68,714.10 = 14,639.16/x
  3. Step 3: Cross multiply
    45,812.28x = 68,714.10 × 14,639.16
  4. Step 4: Simplify right side
    45,812.28x = 1,005,916,704.16
  5. Step 5: Solve for x
    x = 1,005,916,704.16/45,812.28
  6. Step 6: Final answer
    x = 21,957.36

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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.