Home / 75,504.30-113,010.01-55,508.50

Finding the Fourth Proportional to 75,504.30, 113,010.01 and 55,508.50

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Solution

The fourth proportional to 75,504.30, 113,010.01 and 55,508.50 is: 83,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,504.30 : 113,010.01 = 55,508.50 : x
  2. Step 2: Convert to fraction form
    75,504.30/113,010.01 = 55,508.50/x
  3. Step 3: Cross multiply
    75,504.30x = 113,010.01 × 55,508.50
  4. Step 4: Simplify right side
    75,504.30x = 6,273,016,457.61
  5. Step 5: Solve for x
    x = 6,273,016,457.61/75,504.30
  6. Step 6: Final answer
    x = 83,081.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.