Home / 92,822.45-128,199.39-62,732.03

Finding the Fourth Proportional to 92,822.45, 128,199.39 and 62,732.03

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Solution

The fourth proportional to 92,822.45, 128,199.39 and 62,732.03 is: 86,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,822.45 : 128,199.39 = 62,732.03 : x
  2. Step 2: Convert to fraction form
    92,822.45/128,199.39 = 62,732.03/x
  3. Step 3: Cross multiply
    92,822.45x = 128,199.39 × 62,732.03
  4. Step 4: Simplify right side
    92,822.45x = 8,042,207,979.46
  5. Step 5: Solve for x
    x = 8,042,207,979.46/92,822.45
  6. Step 6: Final answer
    x = 86,640.76

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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.