Home / 109,239.45-163,857.77-59,635.56

Finding the Fourth Proportional to 109,239.45, 163,857.77 and 59,635.56

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Solution

The fourth proportional to 109,239.45, 163,857.77 and 59,635.56 is: 89,452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,239.45 : 163,857.77 = 59,635.56 : x
  2. Step 2: Convert to fraction form
    109,239.45/163,857.77 = 59,635.56/x
  3. Step 3: Cross multiply
    109,239.45x = 163,857.77 × 59,635.56
  4. Step 4: Simplify right side
    109,239.45x = 9,771,749,874.30
  5. Step 5: Solve for x
    x = 9,771,749,874.30/109,239.45
  6. Step 6: Final answer
    x = 89,452.57

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1.5x scale

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.