Home / 104,622.40-144,375.78-56,874.52

Finding the Fourth Proportional to 104,622.40, 144,375.78 and 56,874.52

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Solution

The fourth proportional to 104,622.40, 144,375.78 and 56,874.52 is: 78,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,622.40 : 144,375.78 = 56,874.52 : x
  2. Step 2: Convert to fraction form
    104,622.40/144,375.78 = 56,874.52/x
  3. Step 3: Cross multiply
    104,622.40x = 144,375.78 × 56,874.52
  4. Step 4: Simplify right side
    104,622.40x = 8,211,303,187.13
  5. Step 5: Solve for x
    x = 8,211,303,187.13/104,622.40
  6. Step 6: Final answer
    x = 78,485.13

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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.