Home / 104,561.05-156,753.41-45,352.13

Finding the Fourth Proportional to 104,561.05, 156,753.41 and 45,352.13

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Solution

The fourth proportional to 104,561.05, 156,753.41 and 45,352.13 is: 67,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,561.05 : 156,753.41 = 45,352.13 : x
  2. Step 2: Convert to fraction form
    104,561.05/156,753.41 = 45,352.13/x
  3. Step 3: Cross multiply
    104,561.05x = 156,753.41 × 45,352.13
  4. Step 4: Simplify right side
    104,561.05x = 7,109,101,028.26
  5. Step 5: Solve for x
    x = 7,109,101,028.26/104,561.05
  6. Step 6: Final answer
    x = 67,989.95

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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.