Home / 79,246.26-109,361.10-47,416.50

Finding the Fourth Proportional to 79,246.26, 109,361.10 and 47,416.50

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Solution

The fourth proportional to 79,246.26, 109,361.10 and 47,416.50 is: 65,435.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,246.26 : 109,361.10 = 47,416.50 : x
  2. Step 2: Convert to fraction form
    79,246.26/109,361.10 = 47,416.50/x
  3. Step 3: Cross multiply
    79,246.26x = 109,361.10 × 47,416.50
  4. Step 4: Simplify right side
    79,246.26x = 5,185,520,598.15
  5. Step 5: Solve for x
    x = 5,185,520,598.15/79,246.26
  6. Step 6: Final answer
    x = 65,435.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.