Home / 114,739.77-172,177.08-48,174.78

Finding the Fourth Proportional to 114,739.77, 172,177.08 and 48,174.78

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Solution

The fourth proportional to 114,739.77, 172,177.08 and 48,174.78 is: 72,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,739.77 : 172,177.08 = 48,174.78 : x
  2. Step 2: Convert to fraction form
    114,739.77/172,177.08 = 48,174.78/x
  3. Step 3: Cross multiply
    114,739.77x = 172,177.08 × 48,174.78
  4. Step 4: Simplify right side
    114,739.77x = 8,294,592,709.17
  5. Step 5: Solve for x
    x = 8,294,592,709.17/114,739.77
  6. Step 6: Final answer
    x = 72,290.48

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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.