Home / 114,747.90-172,062.78-51,513.93

Finding the Fourth Proportional to 114,747.90, 172,062.78 and 51,513.93

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Solution

The fourth proportional to 114,747.90, 172,062.78 and 51,513.93 is: 77,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,747.90 : 172,062.78 = 51,513.93 : x
  2. Step 2: Convert to fraction form
    114,747.90/172,062.78 = 51,513.93/x
  3. Step 3: Cross multiply
    114,747.90x = 172,062.78 × 51,513.93
  4. Step 4: Simplify right side
    114,747.90x = 8,863,630,004.53
  5. Step 5: Solve for x
    x = 8,863,630,004.53/114,747.90
  6. Step 6: Final answer
    x = 77,244.38

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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.