Home / 55,486.63-76,573.43-30,337.75

Finding the Fourth Proportional to 55,486.63, 76,573.43 and 30,337.75

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Solution

The fourth proportional to 55,486.63, 76,573.43 and 30,337.75 is: 41,867.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,486.63 : 76,573.43 = 30,337.75 : x
  2. Step 2: Convert to fraction form
    55,486.63/76,573.43 = 30,337.75/x
  3. Step 3: Cross multiply
    55,486.63x = 76,573.43 × 30,337.75
  4. Step 4: Simplify right side
    55,486.63x = 2,323,065,575.98
  5. Step 5: Solve for x
    x = 2,323,065,575.98/55,486.63
  6. Step 6: Final answer
    x = 41,867.12

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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.