Home / 78,542.75-108,396.21-44,562.30

Finding the Fourth Proportional to 78,542.75, 108,396.21 and 44,562.30

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Solution

The fourth proportional to 78,542.75, 108,396.21 and 44,562.30 is: 61,500.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,542.75 : 108,396.21 = 44,562.30 : x
  2. Step 2: Convert to fraction form
    78,542.75/108,396.21 = 44,562.30/x
  3. Step 3: Cross multiply
    78,542.75x = 108,396.21 × 44,562.30
  4. Step 4: Simplify right side
    78,542.75x = 4,830,384,428.88
  5. Step 5: Solve for x
    x = 4,830,384,428.88/78,542.75
  6. Step 6: Final answer
    x = 61,500.07

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1.5x scale

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.