Home / 50,078.13-75,009.20-47,133.88

Finding the Fourth Proportional to 50,078.13, 75,009.20 and 47,133.88

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Solution

The fourth proportional to 50,078.13, 75,009.20 and 47,133.88 is: 70,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,078.13 : 75,009.20 = 47,133.88 : x
  2. Step 2: Convert to fraction form
    50,078.13/75,009.20 = 47,133.88/x
  3. Step 3: Cross multiply
    50,078.13x = 75,009.20 × 47,133.88
  4. Step 4: Simplify right side
    50,078.13x = 3,535,474,631.70
  5. Step 5: Solve for x
    x = 3,535,474,631.70/50,078.13
  6. Step 6: Final answer
    x = 70,599.17

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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.