Home / 55,431.77-76,494.69-31,233.98

Finding the Fourth Proportional to 55,431.77, 76,494.69 and 31,233.98

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Solution

The fourth proportional to 55,431.77, 76,494.69 and 31,233.98 is: 43,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,431.77 : 76,494.69 = 31,233.98 : x
  2. Step 2: Convert to fraction form
    55,431.77/76,494.69 = 31,233.98/x
  3. Step 3: Cross multiply
    55,431.77x = 76,494.69 × 31,233.98
  4. Step 4: Simplify right side
    55,431.77x = 2,389,233,617.57
  5. Step 5: Solve for x
    x = 2,389,233,617.57/55,431.77
  6. Step 6: Final answer
    x = 43,102.24

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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.