Home / 55,329.26-76,354.17-31,455.93

Finding the Fourth Proportional to 55,329.26, 76,354.17 and 31,455.93

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Solution

The fourth proportional to 55,329.26, 76,354.17 and 31,455.93 is: 43,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,329.26 : 76,354.17 = 31,455.93 : x
  2. Step 2: Convert to fraction form
    55,329.26/76,354.17 = 31,455.93/x
  3. Step 3: Cross multiply
    55,329.26x = 76,354.17 × 31,455.93
  4. Step 4: Simplify right side
    55,329.26x = 2,401,791,426.73
  5. Step 5: Solve for x
    x = 2,401,791,426.73/55,329.26
  6. Step 6: Final answer
    x = 43,409.07

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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.