Home / 104,729.94-144,527.22-56,983.20

Finding the Fourth Proportional to 104,729.94, 144,527.22 and 56,983.20

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Solution

The fourth proportional to 104,729.94, 144,527.22 and 56,983.20 is: 78,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,729.94 : 144,527.22 = 56,983.20 : x
  2. Step 2: Convert to fraction form
    104,729.94/144,527.22 = 56,983.20/x
  3. Step 3: Cross multiply
    104,729.94x = 144,527.22 × 56,983.20
  4. Step 4: Simplify right side
    104,729.94x = 8,235,623,482.70
  5. Step 5: Solve for x
    x = 8,235,623,482.70/104,729.94
  6. Step 6: Final answer
    x = 78,636.76

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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.