Home / 104,427.27-144,105.76-56,679.60

Finding the Fourth Proportional to 104,427.27, 144,105.76 and 56,679.60

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Solution

The fourth proportional to 104,427.27, 144,105.76 and 56,679.60 is: 78,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.27 : 144,105.76 = 56,679.60 : x
  2. Step 2: Convert to fraction form
    104,427.27/144,105.76 = 56,679.60/x
  3. Step 3: Cross multiply
    104,427.27x = 144,105.76 × 56,679.60
  4. Step 4: Simplify right side
    104,427.27x = 8,167,856,834.50
  5. Step 5: Solve for x
    x = 8,167,856,834.50/104,427.27
  6. Step 6: Final answer
    x = 78,215.75

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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.