Home / 55,339.22-76,367.77-31,465.89

Finding the Fourth Proportional to 55,339.22, 76,367.77 and 31,465.89

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Solution

The fourth proportional to 55,339.22, 76,367.77 and 31,465.89 is: 43,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,339.22 : 76,367.77 = 31,465.89 : x
  2. Step 2: Convert to fraction form
    55,339.22/76,367.77 = 31,465.89/x
  3. Step 3: Cross multiply
    55,339.22x = 76,367.77 × 31,465.89
  4. Step 4: Simplify right side
    55,339.22x = 2,402,980,226.62
  5. Step 5: Solve for x
    x = 2,402,980,226.62/55,339.22
  6. Step 6: Final answer
    x = 43,422.73

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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.