Home / 55,058.22-75,981.24-31,184.28

Finding the Fourth Proportional to 55,058.22, 75,981.24 and 31,184.28

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Solution

The fourth proportional to 55,058.22, 75,981.24 and 31,184.28 is: 43,034.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,058.22 : 75,981.24 = 31,184.28 : x
  2. Step 2: Convert to fraction form
    55,058.22/75,981.24 = 31,184.28/x
  3. Step 3: Cross multiply
    55,058.22x = 75,981.24 × 31,184.28
  4. Step 4: Simplify right side
    55,058.22x = 2,369,420,262.91
  5. Step 5: Solve for x
    x = 2,369,420,262.91/55,058.22
  6. Step 6: Final answer
    x = 43,034.81

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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.