Home / 45,135.25-67,702.57-35,282.81

Finding the Fourth Proportional to 45,135.25, 67,702.57 and 35,282.81

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Solution

The fourth proportional to 45,135.25, 67,702.57 and 35,282.81 is: 52,923.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,135.25 : 67,702.57 = 35,282.81 : x
  2. Step 2: Convert to fraction form
    45,135.25/67,702.57 = 35,282.81/x
  3. Step 3: Cross multiply
    45,135.25x = 67,702.57 × 35,282.81
  4. Step 4: Simplify right side
    45,135.25x = 2,388,736,994.87
  5. Step 5: Solve for x
    x = 2,388,736,994.87/45,135.25
  6. Step 6: Final answer
    x = 52,923.98

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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.