Home / 53,672.12-80,383.60-51,803.83

Finding the Fourth Proportional to 53,672.12, 80,383.60 and 51,803.83

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Solution

The fourth proportional to 53,672.12, 80,383.60 and 51,803.83 is: 77,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,672.12 : 80,383.60 = 51,803.83 : x
  2. Step 2: Convert to fraction form
    53,672.12/80,383.60 = 51,803.83/x
  3. Step 3: Cross multiply
    53,672.12x = 80,383.60 × 51,803.83
  4. Step 4: Simplify right side
    53,672.12x = 4,164,177,817.76
  5. Step 5: Solve for x
    x = 4,164,177,817.76/53,672.12
  6. Step 6: Final answer
    x = 77,585.50

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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.