Home / 65,546.40-98,125.20-43,384.80

Finding the Fourth Proportional to 65,546.40, 98,125.20 and 43,384.80

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Solution

The fourth proportional to 65,546.40, 98,125.20 and 43,384.80 is: 64,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,546.40 : 98,125.20 = 43,384.80 : x
  2. Step 2: Convert to fraction form
    65,546.40/98,125.20 = 43,384.80/x
  3. Step 3: Cross multiply
    65,546.40x = 98,125.20 × 43,384.80
  4. Step 4: Simplify right side
    65,546.40x = 4,257,142,176.96
  5. Step 5: Solve for x
    x = 4,257,142,176.96/65,546.40
  6. Step 6: Final answer
    x = 64,948.53

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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.