Home / 50,665.76-75,985.40-15,118.72

Finding the Fourth Proportional to 50,665.76, 75,985.40 and 15,118.72

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Solution

The fourth proportional to 50,665.76, 75,985.40 and 15,118.72 is: 22,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,665.76 : 75,985.40 = 15,118.72 : x
  2. Step 2: Convert to fraction form
    50,665.76/75,985.40 = 15,118.72/x
  3. Step 3: Cross multiply
    50,665.76x = 75,985.40 × 15,118.72
  4. Step 4: Simplify right side
    50,665.76x = 1,148,801,986.69
  5. Step 5: Solve for x
    x = 1,148,801,986.69/50,665.76
  6. Step 6: Final answer
    x = 22,674.13

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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.