Home / 104,729.83-144,527.76-56,983.50

Finding the Fourth Proportional to 104,729.83, 144,527.76 and 56,983.50

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Solution

The fourth proportional to 104,729.83, 144,527.76 and 56,983.50 is: 78,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,729.83 : 144,527.76 = 56,983.50 : x
  2. Step 2: Convert to fraction form
    104,729.83/144,527.76 = 56,983.50/x
  3. Step 3: Cross multiply
    104,729.83x = 144,527.76 × 56,983.50
  4. Step 4: Simplify right side
    104,729.83x = 8,235,697,611.96
  5. Step 5: Solve for x
    x = 8,235,697,611.96/104,729.83
  6. Step 6: Final answer
    x = 78,637.56

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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.