Home / 100,820.04-151,323.46-50,935.28

Finding the Fourth Proportional to 100,820.04, 151,323.46 and 50,935.28

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Solution

The fourth proportional to 100,820.04, 151,323.46 and 50,935.28 is: 76,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,820.04 : 151,323.46 = 50,935.28 : x
  2. Step 2: Convert to fraction form
    100,820.04/151,323.46 = 50,935.28/x
  3. Step 3: Cross multiply
    100,820.04x = 151,323.46 × 50,935.28
  4. Step 4: Simplify right side
    100,820.04x = 7,707,702,805.67
  5. Step 5: Solve for x
    x = 7,707,702,805.67/100,820.04
  6. Step 6: Final answer
    x = 76,450.11

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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.