Home / 55,118.22-75,950.56-52,140.84

Finding the Fourth Proportional to 55,118.22, 75,950.56 and 52,140.84

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Solution

The fourth proportional to 55,118.22, 75,950.56 and 52,140.84 is: 71,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,118.22 : 75,950.56 = 52,140.84 : x
  2. Step 2: Convert to fraction form
    55,118.22/75,950.56 = 52,140.84/x
  3. Step 3: Cross multiply
    55,118.22x = 75,950.56 × 52,140.84
  4. Step 4: Simplify right side
    55,118.22x = 3,960,125,996.87
  5. Step 5: Solve for x
    x = 3,960,125,996.87/55,118.22
  6. Step 6: Final answer
    x = 71,847.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.