Home / 55,495.59-76,585.14-30,345.09

Finding the Fourth Proportional to 55,495.59, 76,585.14 and 30,345.09

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Solution

The fourth proportional to 55,495.59, 76,585.14 and 30,345.09 is: 41,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,495.59 : 76,585.14 = 30,345.09 : x
  2. Step 2: Convert to fraction form
    55,495.59/76,585.14 = 30,345.09/x
  3. Step 3: Cross multiply
    55,495.59x = 76,585.14 × 30,345.09
  4. Step 4: Simplify right side
    55,495.59x = 2,323,982,965.96
  5. Step 5: Solve for x
    x = 2,323,982,965.96/55,495.59
  6. Step 6: Final answer
    x = 41,876.89

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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.