Home / 50,341.65-75,521.58-20,743.02

Finding the Fourth Proportional to 50,341.65, 75,521.58 and 20,743.02

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Solution

The fourth proportional to 50,341.65, 75,521.58 and 20,743.02 is: 31,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,341.65 : 75,521.58 = 20,743.02 : x
  2. Step 2: Convert to fraction form
    50,341.65/75,521.58 = 20,743.02/x
  3. Step 3: Cross multiply
    50,341.65x = 75,521.58 × 20,743.02
  4. Step 4: Simplify right side
    50,341.65x = 1,566,545,644.37
  5. Step 5: Solve for x
    x = 1,566,545,644.37/50,341.65
  6. Step 6: Final answer
    x = 31,118.28

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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.