Home / 76,364.40-114,546.60-52,744.80

Finding the Fourth Proportional to 76,364.40, 114,546.60 and 52,744.80

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Solution

The fourth proportional to 76,364.40, 114,546.60 and 52,744.80 is: 79,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,364.40 : 114,546.60 = 52,744.80 : x
  2. Step 2: Convert to fraction form
    76,364.40/114,546.60 = 52,744.80/x
  3. Step 3: Cross multiply
    76,364.40x = 114,546.60 × 52,744.80
  4. Step 4: Simplify right side
    76,364.40x = 6,041,737,507.68
  5. Step 5: Solve for x
    x = 6,041,737,507.68/76,364.40
  6. Step 6: Final answer
    x = 79,117.20

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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.