Home / 89,058.45-122,983.92-57,282.51

Finding the Fourth Proportional to 89,058.45, 122,983.92 and 57,282.51

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Solution

The fourth proportional to 89,058.45, 122,983.92 and 57,282.51 is: 79,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,058.45 : 122,983.92 = 57,282.51 : x
  2. Step 2: Convert to fraction form
    89,058.45/122,983.92 = 57,282.51/x
  3. Step 3: Cross multiply
    89,058.45x = 122,983.92 × 57,282.51
  4. Step 4: Simplify right side
    89,058.45x = 7,044,827,627.24
  5. Step 5: Solve for x
    x = 7,044,827,627.24/89,058.45
  6. Step 6: Final answer
    x = 79,103.42

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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.