Home / 55,404.12-76,454.64-30,253.08

Finding the Fourth Proportional to 55,404.12, 76,454.64 and 30,253.08

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Solution

The fourth proportional to 55,404.12, 76,454.64 and 30,253.08 is: 41,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,404.12 : 76,454.64 = 30,253.08 : x
  2. Step 2: Convert to fraction form
    55,404.12/76,454.64 = 30,253.08/x
  3. Step 3: Cross multiply
    55,404.12x = 76,454.64 × 30,253.08
  4. Step 4: Simplify right side
    55,404.12x = 2,312,988,340.29
  5. Step 5: Solve for x
    x = 2,312,988,340.29/55,404.12
  6. Step 6: Final answer
    x = 41,747.59

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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.