Home / 55,326.46-76,350.16-31,453.14

Finding the Fourth Proportional to 55,326.46, 76,350.16 and 31,453.14

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Solution

The fourth proportional to 55,326.46, 76,350.16 and 31,453.14 is: 43,405.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,326.46 : 76,350.16 = 31,453.14 : x
  2. Step 2: Convert to fraction form
    55,326.46/76,350.16 = 31,453.14/x
  3. Step 3: Cross multiply
    55,326.46x = 76,350.16 × 31,453.14
  4. Step 4: Simplify right side
    55,326.46x = 2,401,452,114.24
  5. Step 5: Solve for x
    x = 2,401,452,114.24/55,326.46
  6. Step 6: Final answer
    x = 43,405.13

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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.