Home / 104,707.20-144,497.28-56,961.84

Finding the Fourth Proportional to 104,707.20, 144,497.28 and 56,961.84

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Solution

The fourth proportional to 104,707.20, 144,497.28 and 56,961.84 is: 78,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,707.20 : 144,497.28 = 56,961.84 : x
  2. Step 2: Convert to fraction form
    104,707.20/144,497.28 = 56,961.84/x
  3. Step 3: Cross multiply
    104,707.20x = 144,497.28 × 56,961.84
  4. Step 4: Simplify right side
    104,707.20x = 8,230,830,943.80
  5. Step 5: Solve for x
    x = 8,230,830,943.80/104,707.20
  6. Step 6: Final answer
    x = 78,608.07

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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.