Home / 42,551.35-63,826.92-11,386.60

Finding the Fourth Proportional to 42,551.35, 63,826.92 and 11,386.60

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Solution

The fourth proportional to 42,551.35, 63,826.92 and 11,386.60 is: 17,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,551.35 : 63,826.92 = 11,386.60 : x
  2. Step 2: Convert to fraction form
    42,551.35/63,826.92 = 11,386.60/x
  3. Step 3: Cross multiply
    42,551.35x = 63,826.92 × 11,386.60
  4. Step 4: Simplify right side
    42,551.35x = 726,771,447.70
  5. Step 5: Solve for x
    x = 726,771,447.70/42,551.35
  6. Step 6: Final answer
    x = 17,079.87

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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.