Home / 50,429.20-75,643.80-49,133.20

Finding the Fourth Proportional to 50,429.20, 75,643.80 and 49,133.20

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Solution

The fourth proportional to 50,429.20, 75,643.80 and 49,133.20 is: 73,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,429.20 : 75,643.80 = 49,133.20 : x
  2. Step 2: Convert to fraction form
    50,429.20/75,643.80 = 49,133.20/x
  3. Step 3: Cross multiply
    50,429.20x = 75,643.80 × 49,133.20
  4. Step 4: Simplify right side
    50,429.20x = 3,716,621,954.16
  5. Step 5: Solve for x
    x = 3,716,621,954.16/50,429.20
  6. Step 6: Final answer
    x = 73,699.80

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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.