Home / 55,049.04-75,972.37-31,179.96

Finding the Fourth Proportional to 55,049.04, 75,972.37 and 31,179.96

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Solution

The fourth proportional to 55,049.04, 75,972.37 and 31,179.96 is: 43,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049.04 : 75,972.37 = 31,179.96 : x
  2. Step 2: Convert to fraction form
    55,049.04/75,972.37 = 31,179.96/x
  3. Step 3: Cross multiply
    55,049.04x = 75,972.37 × 31,179.96
  4. Step 4: Simplify right side
    55,049.04x = 2,368,815,457.71
  5. Step 5: Solve for x
    x = 2,368,815,457.71/55,049.04
  6. Step 6: Final answer
    x = 43,031.00

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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.