Home / 106,426.86-159,594.02-30,508.68

Finding the Fourth Proportional to 106,426.86, 159,594.02 and 30,508.68

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Solution

The fourth proportional to 106,426.86, 159,594.02 and 30,508.68 is: 45,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,426.86 : 159,594.02 = 30,508.68 : x
  2. Step 2: Convert to fraction form
    106,426.86/159,594.02 = 30,508.68/x
  3. Step 3: Cross multiply
    106,426.86x = 159,594.02 × 30,508.68
  4. Step 4: Simplify right side
    106,426.86x = 4,869,002,962.37
  5. Step 5: Solve for x
    x = 4,869,002,962.37/106,426.86
  6. Step 6: Final answer
    x = 45,749.76

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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.