Home / 74,367.30-111,551.18-52,279.50

Finding the Fourth Proportional to 74,367.30, 111,551.18 and 52,279.50

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Solution

The fourth proportional to 74,367.30, 111,551.18 and 52,279.50 is: 78,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367.30 : 111,551.18 = 52,279.50 : x
  2. Step 2: Convert to fraction form
    74,367.30/111,551.18 = 52,279.50/x
  3. Step 3: Cross multiply
    74,367.30x = 111,551.18 × 52,279.50
  4. Step 4: Simplify right side
    74,367.30x = 5,831,839,653.41
  5. Step 5: Solve for x
    x = 5,831,839,653.41/74,367.30
  6. Step 6: Final answer
    x = 78,419.41

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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.