Home / 104,427.23-144,105.71-56,679.55

Finding the Fourth Proportional to 104,427.23, 144,105.71 and 56,679.55

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Solution

The fourth proportional to 104,427.23, 144,105.71 and 56,679.55 is: 78,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.23 : 144,105.71 = 56,679.55 : x
  2. Step 2: Convert to fraction form
    104,427.23/144,105.71 = 56,679.55/x
  3. Step 3: Cross multiply
    104,427.23x = 144,105.71 × 56,679.55
  4. Step 4: Simplify right side
    104,427.23x = 8,167,846,151.57
  5. Step 5: Solve for x
    x = 8,167,846,151.57/104,427.23
  6. Step 6: Final answer
    x = 78,215.68

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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.