Home / 42,929.92-64,431.94-29,791.52

Finding the Fourth Proportional to 42,929.92, 64,431.94 and 29,791.52

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Solution

The fourth proportional to 42,929.92, 64,431.94 and 29,791.52 is: 44,712.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,929.92 : 64,431.94 = 29,791.52 : x
  2. Step 2: Convert to fraction form
    42,929.92/64,431.94 = 29,791.52/x
  3. Step 3: Cross multiply
    42,929.92x = 64,431.94 × 29,791.52
  4. Step 4: Simplify right side
    42,929.92x = 1,919,525,032.51
  5. Step 5: Solve for x
    x = 1,919,525,032.51/42,929.92
  6. Step 6: Final answer
    x = 44,712.99

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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.