Home / 42,822.83-64,256.39-31,073.47

Finding the Fourth Proportional to 42,822.83, 64,256.39 and 31,073.47

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Solution

The fourth proportional to 42,822.83, 64,256.39 and 31,073.47 is: 46,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,822.83 : 64,256.39 = 31,073.47 : x
  2. Step 2: Convert to fraction form
    42,822.83/64,256.39 = 31,073.47/x
  3. Step 3: Cross multiply
    42,822.83x = 64,256.39 × 31,073.47
  4. Step 4: Simplify right side
    42,822.83x = 1,996,669,006.97
  5. Step 5: Solve for x
    x = 1,996,669,006.97/42,822.83
  6. Step 6: Final answer
    x = 46,626.27

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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.