Home / 54,953.10-82,428.75-17,512.68

Finding the Fourth Proportional to 54,953.10, 82,428.75 and 17,512.68

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Solution

The fourth proportional to 54,953.10, 82,428.75 and 17,512.68 is: 26,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,953.10 : 82,428.75 = 17,512.68 : x
  2. Step 2: Convert to fraction form
    54,953.10/82,428.75 = 17,512.68/x
  3. Step 3: Cross multiply
    54,953.10x = 82,428.75 × 17,512.68
  4. Step 4: Simplify right side
    54,953.10x = 1,443,547,909.41
  5. Step 5: Solve for x
    x = 1,443,547,909.41/54,953.10
  6. Step 6: Final answer
    x = 26,268.73

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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.