Home / 92,826.45-128,204.91-62,736.03

Finding the Fourth Proportional to 92,826.45, 128,204.91 and 62,736.03

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Solution

The fourth proportional to 92,826.45, 128,204.91 and 62,736.03 is: 86,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,826.45 : 128,204.91 = 62,736.03 : x
  2. Step 2: Convert to fraction form
    92,826.45/128,204.91 = 62,736.03/x
  3. Step 3: Cross multiply
    92,826.45x = 128,204.91 × 62,736.03
  4. Step 4: Simplify right side
    92,826.45x = 8,043,067,079.91
  5. Step 5: Solve for x
    x = 8,043,067,079.91/92,826.45
  6. Step 6: Final answer
    x = 86,646.29

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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.