Home / 84,826.62-117,070.10-48,531.43

Finding the Fourth Proportional to 84,826.62, 117,070.10 and 48,531.43

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Solution

The fourth proportional to 84,826.62, 117,070.10 and 48,531.43 is: 66,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,826.62 : 117,070.10 = 48,531.43 : x
  2. Step 2: Convert to fraction form
    84,826.62/117,070.10 = 48,531.43/x
  3. Step 3: Cross multiply
    84,826.62x = 117,070.10 × 48,531.43
  4. Step 4: Simplify right side
    84,826.62x = 5,681,579,448.92
  5. Step 5: Solve for x
    x = 5,681,579,448.92/84,826.62
  6. Step 6: Final answer
    x = 66,978.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.