Home / 54,953.10-82,429.65-13,400.10

Finding the Fourth Proportional to 54,953.10, 82,429.65 and 13,400.10

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Solution

The fourth proportional to 54,953.10, 82,429.65 and 13,400.10 is: 20,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,953.10 : 82,429.65 = 13,400.10 : x
  2. Step 2: Convert to fraction form
    54,953.10/82,429.65 = 13,400.10/x
  3. Step 3: Cross multiply
    54,953.10x = 82,429.65 × 13,400.10
  4. Step 4: Simplify right side
    54,953.10x = 1,104,565,552.97
  5. Step 5: Solve for x
    x = 1,104,565,552.97/54,953.10
  6. Step 6: Final answer
    x = 20,100.15

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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.