Home / 104,857.37-144,703.14-57,110.72

Finding the Fourth Proportional to 104,857.37, 144,703.14 and 57,110.72

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Solution

The fourth proportional to 104,857.37, 144,703.14 and 57,110.72 is: 78,812.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,857.37 : 144,703.14 = 57,110.72 : x
  2. Step 2: Convert to fraction form
    104,857.37/144,703.14 = 57,110.72/x
  3. Step 3: Cross multiply
    104,857.37x = 144,703.14 × 57,110.72
  4. Step 4: Simplify right side
    104,857.37x = 8,264,100,511.66
  5. Step 5: Solve for x
    x = 8,264,100,511.66/104,857.37
  6. Step 6: Final answer
    x = 78,812.78

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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.