Home / 104,543.85-144,270.27-56,796.78

Finding the Fourth Proportional to 104,543.85, 144,270.27 and 56,796.78

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Solution

The fourth proportional to 104,543.85, 144,270.27 and 56,796.78 is: 78,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,543.85 : 144,270.27 = 56,796.78 : x
  2. Step 2: Convert to fraction form
    104,543.85/144,270.27 = 56,796.78/x
  3. Step 3: Cross multiply
    104,543.85x = 144,270.27 × 56,796.78
  4. Step 4: Simplify right side
    104,543.85x = 8,194,086,785.73
  5. Step 5: Solve for x
    x = 8,194,086,785.73/104,543.85
  6. Step 6: Final answer
    x = 78,379.42

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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.