Home / 73,814.28-110,628.63-31,644.47

Finding the Fourth Proportional to 73,814.28, 110,628.63 and 31,644.47

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Solution

The fourth proportional to 73,814.28, 110,628.63 and 31,644.47 is: 47,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,814.28 : 110,628.63 = 31,644.47 : x
  2. Step 2: Convert to fraction form
    73,814.28/110,628.63 = 31,644.47/x
  3. Step 3: Cross multiply
    73,814.28x = 110,628.63 × 31,644.47
  4. Step 4: Simplify right side
    73,814.28x = 3,500,784,363.18
  5. Step 5: Solve for x
    x = 3,500,784,363.18/73,814.28
  6. Step 6: Final answer
    x = 47,426.93

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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.