Home / 104,446.10-144,135.78-56,699.48

Finding the Fourth Proportional to 104,446.10, 144,135.78 and 56,699.48

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Solution

The fourth proportional to 104,446.10, 144,135.78 and 56,699.48 is: 78,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,446.10 : 144,135.78 = 56,699.48 : x
  2. Step 2: Convert to fraction form
    104,446.10/144,135.78 = 56,699.48/x
  3. Step 3: Cross multiply
    104,446.10x = 144,135.78 × 56,699.48
  4. Step 4: Simplify right side
    104,446.10x = 8,172,423,775.39
  5. Step 5: Solve for x
    x = 8,172,423,775.39/104,446.10
  6. Step 6: Final answer
    x = 78,245.37

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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.