Home / 120,849.64-181,300.40-50,688.52

Finding the Fourth Proportional to 120,849.64, 181,300.40 and 50,688.52

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Solution

The fourth proportional to 120,849.64, 181,300.40 and 50,688.52 is: 76,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,849.64 : 181,300.40 = 50,688.52 : x
  2. Step 2: Convert to fraction form
    120,849.64/181,300.40 = 50,688.52/x
  3. Step 3: Cross multiply
    120,849.64x = 181,300.40 × 50,688.52
  4. Step 4: Simplify right side
    120,849.64x = 9,189,848,951.41
  5. Step 5: Solve for x
    x = 9,189,848,951.41/120,849.64
  6. Step 6: Final answer
    x = 76,043.66

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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.