Home / 58,622.72-87,914.16-19,170.08

Finding the Fourth Proportional to 58,622.72, 87,914.16 and 19,170.08

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Solution

The fourth proportional to 58,622.72, 87,914.16 and 19,170.08 is: 28,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,622.72 : 87,914.16 = 19,170.08 : x
  2. Step 2: Convert to fraction form
    58,622.72/87,914.16 = 19,170.08/x
  3. Step 3: Cross multiply
    58,622.72x = 87,914.16 × 19,170.08
  4. Step 4: Simplify right side
    58,622.72x = 1,685,321,480.33
  5. Step 5: Solve for x
    x = 1,685,321,480.33/58,622.72
  6. Step 6: Final answer
    x = 28,748.61

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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.