Home / 57,028.66-78,700.06-31,536.75

Finding the Fourth Proportional to 57,028.66, 78,700.06 and 31,536.75

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Solution

The fourth proportional to 57,028.66, 78,700.06 and 31,536.75 is: 43,521.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,028.66 : 78,700.06 = 31,536.75 : x
  2. Step 2: Convert to fraction form
    57,028.66/78,700.06 = 31,536.75/x
  3. Step 3: Cross multiply
    57,028.66x = 78,700.06 × 31,536.75
  4. Step 4: Simplify right side
    57,028.66x = 2,481,944,509.98
  5. Step 5: Solve for x
    x = 2,481,944,509.98/57,028.66
  6. Step 6: Final answer
    x = 43,521.00

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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.