Home / 104,619.58-144,373.32-56,874.12

Finding the Fourth Proportional to 104,619.58, 144,373.32 and 56,874.12

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Solution

The fourth proportional to 104,619.58, 144,373.32 and 56,874.12 is: 78,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,619.58 : 144,373.32 = 56,874.12 : x
  2. Step 2: Convert to fraction form
    104,619.58/144,373.32 = 56,874.12/x
  3. Step 3: Cross multiply
    104,619.58x = 144,373.32 × 56,874.12
  4. Step 4: Simplify right side
    104,619.58x = 8,211,105,526.48
  5. Step 5: Solve for x
    x = 8,211,105,526.48/104,619.58
  6. Step 6: Final answer
    x = 78,485.36

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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.