Home / 115,359.09-172,986.57-48,764.94

Finding the Fourth Proportional to 115,359.09, 172,986.57 and 48,764.94

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Solution

The fourth proportional to 115,359.09, 172,986.57 and 48,764.94 is: 73,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,359.09 : 172,986.57 = 48,764.94 : x
  2. Step 2: Convert to fraction form
    115,359.09/172,986.57 = 48,764.94/x
  3. Step 3: Cross multiply
    115,359.09x = 172,986.57 × 48,764.94
  4. Step 4: Simplify right side
    115,359.09x = 8,435,679,706.86
  5. Step 5: Solve for x
    x = 8,435,679,706.86/115,359.09
  6. Step 6: Final answer
    x = 73,125.40

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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.