Home / 52,905.21-72,989.28-33,785.70

Finding the Fourth Proportional to 52,905.21, 72,989.28 and 33,785.70

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Solution

The fourth proportional to 52,905.21, 72,989.28 and 33,785.70 is: 46,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,905.21 : 72,989.28 = 33,785.70 : x
  2. Step 2: Convert to fraction form
    52,905.21/72,989.28 = 33,785.70/x
  3. Step 3: Cross multiply
    52,905.21x = 72,989.28 × 33,785.70
  4. Step 4: Simplify right side
    52,905.21x = 2,465,993,917.30
  5. Step 5: Solve for x
    x = 2,465,993,917.30/52,905.21
  6. Step 6: Final answer
    x = 46,611.55

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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.