Home / 79,418.18-109,598.37-43,611.50

Finding the Fourth Proportional to 79,418.18, 109,598.37 and 43,611.50

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Solution

The fourth proportional to 79,418.18, 109,598.37 and 43,611.50 is: 60,184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,418.18 : 109,598.37 = 43,611.50 : x
  2. Step 2: Convert to fraction form
    79,418.18/109,598.37 = 43,611.50/x
  3. Step 3: Cross multiply
    79,418.18x = 109,598.37 × 43,611.50
  4. Step 4: Simplify right side
    79,418.18x = 4,779,749,313.26
  5. Step 5: Solve for x
    x = 4,779,749,313.26/79,418.18
  6. Step 6: Final answer
    x = 60,184.57

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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.