Home / 114,879.72-172,319.67-36,000.09

Finding the Fourth Proportional to 114,879.72, 172,319.67 and 36,000.09

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Solution

The fourth proportional to 114,879.72, 172,319.67 and 36,000.09 is: 54,000.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,879.72 : 172,319.67 = 36,000.09 : x
  2. Step 2: Convert to fraction form
    114,879.72/172,319.67 = 36,000.09/x
  3. Step 3: Cross multiply
    114,879.72x = 172,319.67 × 36,000.09
  4. Step 4: Simplify right side
    114,879.72x = 6,203,523,628.77
  5. Step 5: Solve for x
    x = 6,203,523,628.77/114,879.72
  6. Step 6: Final answer
    x = 54,000.16

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1.5x scale

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.