Home / 65,824.32-98,674.20-40,539.36

Finding the Fourth Proportional to 65,824.32, 98,674.20 and 40,539.36

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Solution

The fourth proportional to 65,824.32, 98,674.20 and 40,539.36 is: 60,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,824.32 : 98,674.20 = 40,539.36 : x
  2. Step 2: Convert to fraction form
    65,824.32/98,674.20 = 40,539.36/x
  3. Step 3: Cross multiply
    65,824.32x = 98,674.20 × 40,539.36
  4. Step 4: Simplify right side
    65,824.32x = 4,000,188,916.51
  5. Step 5: Solve for x
    x = 4,000,188,916.51/65,824.32
  6. Step 6: Final answer
    x = 60,770.68

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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.