Home / 55,125.20-76,066.44-31,247.12

Finding the Fourth Proportional to 55,125.20, 76,066.44 and 31,247.12

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Solution

The fourth proportional to 55,125.20, 76,066.44 and 31,247.12 is: 43,117.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,125.20 : 76,066.44 = 31,247.12 : x
  2. Step 2: Convert to fraction form
    55,125.20/76,066.44 = 31,247.12/x
  3. Step 3: Cross multiply
    55,125.20x = 76,066.44 × 31,247.12
  4. Step 4: Simplify right side
    55,125.20x = 2,376,857,178.65
  5. Step 5: Solve for x
    x = 2,376,857,178.65/55,125.20
  6. Step 6: Final answer
    x = 43,117.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.