Home / 54,937.10-82,405.65-13,384.10

Finding the Fourth Proportional to 54,937.10, 82,405.65 and 13,384.10

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Solution

The fourth proportional to 54,937.10, 82,405.65 and 13,384.10 is: 20,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,937.10 : 82,405.65 = 13,384.10 : x
  2. Step 2: Convert to fraction form
    54,937.10/82,405.65 = 13,384.10/x
  3. Step 3: Cross multiply
    54,937.10x = 82,405.65 × 13,384.10
  4. Step 4: Simplify right side
    54,937.10x = 1,102,925,460.17
  5. Step 5: Solve for x
    x = 1,102,925,460.17/54,937.10
  6. Step 6: Final answer
    x = 20,076.15

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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.