Home / 104,517.12-144,233.90-56,769.45

Finding the Fourth Proportional to 104,517.12, 144,233.90 and 56,769.45

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Solution

The fourth proportional to 104,517.12, 144,233.90 and 56,769.45 is: 78,341.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,517.12 : 144,233.90 = 56,769.45 : x
  2. Step 2: Convert to fraction form
    104,517.12/144,233.90 = 56,769.45/x
  3. Step 3: Cross multiply
    104,517.12x = 144,233.90 × 56,769.45
  4. Step 4: Simplify right side
    104,517.12x = 8,188,079,174.36
  5. Step 5: Solve for x
    x = 8,188,079,174.36/104,517.12
  6. Step 6: Final answer
    x = 78,341.99

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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.