Home / 118,557.27-177,770.30-48,485.79

Finding the Fourth Proportional to 118,557.27, 177,770.30 and 48,485.79

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Solution

The fourth proportional to 118,557.27, 177,770.30 and 48,485.79 is: 72,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,557.27 : 177,770.30 = 48,485.79 : x
  2. Step 2: Convert to fraction form
    118,557.27/177,770.30 = 48,485.79/x
  3. Step 3: Cross multiply
    118,557.27x = 177,770.30 × 48,485.79
  4. Step 4: Simplify right side
    118,557.27x = 8,619,333,191.61
  5. Step 5: Solve for x
    x = 8,619,333,191.61/118,557.27
  6. Step 6: Final answer
    x = 72,701.85

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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.