Home / 74,288.52-111,465.68-30,001.76

Finding the Fourth Proportional to 74,288.52, 111,465.68 and 30,001.76

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Solution

The fourth proportional to 74,288.52, 111,465.68 and 30,001.76 is: 45,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,288.52 : 111,465.68 = 30,001.76 : x
  2. Step 2: Convert to fraction form
    74,288.52/111,465.68 = 30,001.76/x
  3. Step 3: Cross multiply
    74,288.52x = 111,465.68 × 30,001.76
  4. Step 4: Simplify right side
    74,288.52x = 3,344,166,579.60
  5. Step 5: Solve for x
    x = 3,344,166,579.60/74,288.52
  6. Step 6: Final answer
    x = 45,015.93

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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.