Home / 100,818.04-151,320.46-50,933.28

Finding the Fourth Proportional to 100,818.04, 151,320.46 and 50,933.28

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Solution

The fourth proportional to 100,818.04, 151,320.46 and 50,933.28 is: 76,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,818.04 : 151,320.46 = 50,933.28 : x
  2. Step 2: Convert to fraction form
    100,818.04/151,320.46 = 50,933.28/x
  3. Step 3: Cross multiply
    100,818.04x = 151,320.46 × 50,933.28
  4. Step 4: Simplify right side
    100,818.04x = 7,707,247,358.91
  5. Step 5: Solve for x
    x = 7,707,247,358.91/100,818.04
  6. Step 6: Final answer
    x = 76,447.11

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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.