Home / 120,529.27-180,780.00-48,479.46

Finding the Fourth Proportional to 120,529.27, 180,780.00 and 48,479.46

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Solution

The fourth proportional to 120,529.27, 180,780.00 and 48,479.46 is: 72,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,529.27 : 180,780.00 = 48,479.46 : x
  2. Step 2: Convert to fraction form
    120,529.27/180,780.00 = 48,479.46/x
  3. Step 3: Cross multiply
    120,529.27x = 180,780.00 × 48,479.46
  4. Step 4: Simplify right side
    120,529.27x = 8,764,117,208.66
  5. Step 5: Solve for x
    x = 8,764,117,208.66/120,529.27
  6. Step 6: Final answer
    x = 72,713.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.