Home / 104,423.19-144,104.14-56,676.54

Finding the Fourth Proportional to 104,423.19, 144,104.14 and 56,676.54

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Solution

The fourth proportional to 104,423.19, 144,104.14 and 56,676.54 is: 78,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,423.19 : 144,104.14 = 56,676.54 : x
  2. Step 2: Convert to fraction form
    104,423.19/144,104.14 = 56,676.54/x
  3. Step 3: Cross multiply
    104,423.19x = 144,104.14 × 56,676.54
  4. Step 4: Simplify right side
    104,423.19x = 8,167,324,054.88
  5. Step 5: Solve for x
    x = 8,167,324,054.88/104,423.19
  6. Step 6: Final answer
    x = 78,213.70

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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.