Home / 64,546.60-96,690.30-36,812.20

Finding the Fourth Proportional to 64,546.60, 96,690.30 and 36,812.20

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Solution

The fourth proportional to 64,546.60, 96,690.30 and 36,812.20 is: 55,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,546.60 : 96,690.30 = 36,812.20 : x
  2. Step 2: Convert to fraction form
    64,546.60/96,690.30 = 36,812.20/x
  3. Step 3: Cross multiply
    64,546.60x = 96,690.30 × 36,812.20
  4. Step 4: Simplify right side
    64,546.60x = 3,559,382,661.66
  5. Step 5: Solve for x
    x = 3,559,382,661.66/64,546.60
  6. Step 6: Final answer
    x = 55,144.39

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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.