Home / 104,901.53-144,765.77-57,154.86

Finding the Fourth Proportional to 104,901.53, 144,765.77 and 57,154.86

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Solution

The fourth proportional to 104,901.53, 144,765.77 and 57,154.86 is: 78,874.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,901.53 : 144,765.77 = 57,154.86 : x
  2. Step 2: Convert to fraction form
    104,901.53/144,765.77 = 57,154.86/x
  3. Step 3: Cross multiply
    104,901.53x = 144,765.77 × 57,154.86
  4. Step 4: Simplify right side
    104,901.53x = 8,274,067,031.37
  5. Step 5: Solve for x
    x = 8,274,067,031.37/104,901.53
  6. Step 6: Final answer
    x = 78,874.61

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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.