Home / 50,470.40-75,619.20-32,931.20

Finding the Fourth Proportional to 50,470.40, 75,619.20 and 32,931.20

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Solution

The fourth proportional to 50,470.40, 75,619.20 and 32,931.20 is: 49,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,470.40 : 75,619.20 = 32,931.20 : x
  2. Step 2: Convert to fraction form
    50,470.40/75,619.20 = 32,931.20/x
  3. Step 3: Cross multiply
    50,470.40x = 75,619.20 × 32,931.20
  4. Step 4: Simplify right side
    50,470.40x = 2,490,230,999.04
  5. Step 5: Solve for x
    x = 2,490,230,999.04/50,470.40
  6. Step 6: Final answer
    x = 49,340.43

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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.