Home / 55,932.05-77,168.84-31,729.03

Finding the Fourth Proportional to 55,932.05, 77,168.84 and 31,729.03

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Solution

The fourth proportional to 55,932.05, 77,168.84 and 31,729.03 is: 43,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,932.05 : 77,168.84 = 31,729.03 : x
  2. Step 2: Convert to fraction form
    55,932.05/77,168.84 = 31,729.03/x
  3. Step 3: Cross multiply
    55,932.05x = 77,168.84 × 31,729.03
  4. Step 4: Simplify right side
    55,932.05x = 2,448,492,325.83
  5. Step 5: Solve for x
    x = 2,448,492,325.83/55,932.05
  6. Step 6: Final answer
    x = 43,776.19

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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.