Home / 115,259.42-172,847.53-48,704.69

Finding the Fourth Proportional to 115,259.42, 172,847.53 and 48,704.69

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Solution

The fourth proportional to 115,259.42, 172,847.53 and 48,704.69 is: 73,039.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,259.42 : 172,847.53 = 48,704.69 : x
  2. Step 2: Convert to fraction form
    115,259.42/172,847.53 = 48,704.69/x
  3. Step 3: Cross multiply
    115,259.42x = 172,847.53 × 48,704.69
  4. Step 4: Simplify right side
    115,259.42x = 8,418,484,501.68
  5. Step 5: Solve for x
    x = 8,418,484,501.68/115,259.42
  6. Step 6: Final answer
    x = 73,039.45

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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.