Home / 55,748.90-83,487-50,351.42

Finding the Fourth Proportional to 55,748.90, 83,487 and 50,351.42

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Solution

The fourth proportional to 55,748.90, 83,487 and 50,351.42 is: 75,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,748.90 : 83,487 = 50,351.42 : x
  2. Step 2: Convert to fraction form
    55,748.90/83,487 = 50,351.42/x
  3. Step 3: Cross multiply
    55,748.90x = 83,487 × 50,351.42
  4. Step 4: Simplify right side
    55,748.90x = 4,203,689,001.54
  5. Step 5: Solve for x
    x = 4,203,689,001.54/55,748.90
  6. Step 6: Final answer
    x = 75,403.98

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1.5x scale

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.